diff --git a/app/javascript/elements/download_button.js b/app/javascript/elements/download_button.js
index 160fc770..2a4b6210 100644
--- a/app/javascript/elements/download_button.js
+++ b/app/javascript/elements/download_button.js
@@ -5,6 +5,12 @@ export default targetable(class extends HTMLElement {
 
   connectedCallback () {
     this.addEventListener('click', () => this.downloadFiles())
+    this.addEventListener('keydown', (e) => {
+      if (e.key === 'Enter' || e.key === ' ') {
+        e.preventDefault()
+        this.downloadFiles()
+      }
+    })
   }
 
   toggleState () {
diff --git a/app/javascript/elements/modal_button.js b/app/javascript/elements/modal_button.js
new file mode 100644
index 00000000..0dbc75a8
--- /dev/null
+++ b/app/javascript/elements/modal_button.js
@@ -0,0 +1,18 @@
+export default class extends HTMLElement {
+  connectedCallback () {
+    const dialog = document.getElementById(this.dataset.target)
+
+    this.querySelector('button').addEventListener('click', () => {
+      if (dialog) {
+        dialog.inert = false
+        dialog.showModal()
+      }
+    })
+
+    if (dialog) {
+      dialog.addEventListener('close', () => {
+        dialog.inert = true
+      })
+    }
+  }
+}
diff --git a/app/javascript/elements/scroll_buttons.js b/app/javascript/elements/scroll_buttons.js
index 6525adf9..09e4796e 100644
--- a/app/javascript/elements/scroll_buttons.js
+++ b/app/javascript/elements/scroll_buttons.js
@@ -47,11 +47,13 @@ export default class extends HTMLElement {
 
     this.classList.remove('hidden', '-translate-y-10', 'opacity-0')
     this.classList.add('translate-y-0', 'opacity-100')
+    this.querySelectorAll('[tabindex]').forEach((el) => { el.tabIndex = 0 })
   }
 
   hideButtons () {
     this.classList.remove('translate-y-0', 'opacity-100')
     this.classList.add('-translate-y-10', 'opacity-0')
+    this.querySelectorAll('[tabindex]').forEach((el) => { el.tabIndex = -1 })
 
     setTimeout(() => {
       if (this.classList.contains('-translate-y-10')) {
diff --git a/app/javascript/form.js b/app/javascript/form.js
index f8561dc0..c8d5790e 100644
--- a/app/javascript/form.js
+++ b/app/javascript/form.js
@@ -7,6 +7,7 @@ import FetchForm from './elements/fetch_form'
 import ScrollButtons from './elements/scroll_buttons'
 import PageContainer from './elements/page_container'
 import SubmitForm from './elements/submit_form'
+import ModalButton from './elements/modal_button'
 
 const safeRegisterElement = (name, element, options = {}) => !window.customElements.get(name) && window.customElements.define(name, element, options)
 
@@ -16,6 +17,7 @@ safeRegisterElement('fetch-form', FetchForm)
 safeRegisterElement('scroll-buttons', ScrollButtons)
 safeRegisterElement('page-container', PageContainer)
 safeRegisterElement('submit-form', SubmitForm)
+safeRegisterElement('modal-button', ModalButton)
 safeRegisterElement('submission-form', class extends HTMLElement {
   connectedCallback () {
     this.appElem = document.createElement('div')
diff --git a/app/javascript/submission_form/area.vue b/app/javascript/submission_form/area.vue
index affd57a6..a3e83b62 100644
--- a/app/javascript/submission_form/area.vue
+++ b/app/javascript/submission_form/area.vue
@@ -1,9 +1,14 @@
 <template>
   <div
-    class="flex absolute lg:text-base -outline-offset-1 field-area"
+    class="flex absolute lg:text-base -outline-offset-1 focus-visible:outline-blue-500 focus-visible:outline-2 focus-visible:outline field-area"
     dir="auto"
     :style="[computedStyle, fontStyle]"
     :class="{ 'cursor-default': !submittable, 'border border-red-100 bg-red-100 cursor-pointer': submittable, 'border border-red-100': !isActive && submittable, 'bg-opacity-80': !isActive && !isValueSet && submittable, 'outline-red-500 outline-dashed outline-2 z-10 field-area-active': isActive && submittable, 'bg-opacity-40': (isActive || isValueSet) && submittable }"
+    :role="submittable && field.type !== 'checkbox' && field.type !== 'radio' && field.type !== 'multiple' ? 'button' : undefined"
+    :tabindex="submittable ? 0 : undefined"
+    :aria-label="submittable ? fieldAreaLabel : undefined"
+    @keydown.enter.prevent="submittable ? $el.click() : undefined"
+    @keydown.space.prevent="submittable ? $el.click() : undefined"
   >
     <div
       v-if="(!withFieldPlaceholder || !field.name || field.type === 'cells') && !isActive && !isValueSet && field.type !== 'checkbox' && submittable && !area.option_uuid"
@@ -129,6 +134,7 @@
         v-if="submittable"
         type="checkbox"
         :value="false"
+        :aria-label="field.name || fieldNames[field.type]"
         class="aspect-square base-checkbox"
         :class="{ '!w-auto !h-full': area.w > area.h, '!w-full !h-auto': area.w <= area.h }"
         :checked="!!modelValue"
@@ -149,6 +155,7 @@
         v-if="submittable"
         type="radio"
         :value="false"
+        :aria-label="optionValue(option)"
         class="aspect-square checked:checkbox checked:checkbox-xs"
         :class="{ 'base-radio': !modelValue || modelValue !== optionValue(option), '!w-auto !h-full': area.w > area.h, '!w-full !h-auto': area.w <= area.h }"
         :checked="!!modelValue && modelValue === optionValue(option)"
@@ -169,6 +176,7 @@
         v-if="submittable"
         type="checkbox"
         :value="false"
+        :aria-label="optionValue(option)"
         class="aspect-square base-checkbox"
         :class="{ '!w-auto !h-full': area.w > area.h, '!w-full !h-auto': area.w <= area.h }"
         :checked="!!modelValue && modelValue.includes(optionValue(option))"
@@ -400,6 +408,13 @@ export default {
         kba: this.t('kba')
       }
     },
+    fieldAreaLabel () {
+      const name = this.field.name || this.fieldNames[this.field.type] || this.field.type
+      if (this.area.option_uuid && this.option) {
+        return `${name} - ${this.optionValue(this.option)}`
+      }
+      return name
+    },
     strikethroughWidth () {
       if (this.isInlineSize) {
         return '0.6cqmin'
diff --git a/app/javascript/submission_form/attachment_step.vue b/app/javascript/submission_form/attachment_step.vue
index 81557da7..0379c242 100644
--- a/app/javascript/submission_form/attachment_step.vue
+++ b/app/javascript/submission_form/attachment_step.vue
@@ -1,7 +1,7 @@
 <template>
   <div>
-    <div v-if="value.length">
-      <div
+    <ul v-if="value.length" :aria-label="t('uploaded_files')" class="list-none p-0 m-0">
+      <li
         v-for="(val, index) in value"
         :key="index"
         class="flex mb-2"
@@ -21,22 +21,26 @@
             :width="16"
             class="flex-none"
             :heigh="16"
+            aria-hidden="true"
           />
           <span>
             {{ attachmentsIndex[val].filename }}
           </span>
         </a>
         <button
+          type="button"
           class="remove-attachment-button"
+          :aria-label="`${t('clear')} ${attachmentsIndex[val].filename}`"
           @click.prevent="removeAttachment(val)"
         >
           <IconTrashX
             :width="18"
             :heigh="19"
+            aria-hidden="true"
           />
         </button>
-      </div>
-    </div>
+      </li>
+    </ul>
     <template v-else>
       <input
         value=""
diff --git a/app/javascript/submission_form/completed.vue b/app/javascript/submission_form/completed.vue
index c87f9c4f..f86ac111 100644
--- a/app/javascript/submission_form/completed.vue
+++ b/app/javascript/submission_form/completed.vue
@@ -3,6 +3,9 @@
     id="form_completed"
     class="mx-auto max-w-md flex flex-col completed-form"
     dir="auto"
+    role="status"
+    aria-live="assertive"
+    tabindex="-1"
   >
     <div class="font-medium text-2xl flex items-center space-x-1.5 mx-auto">
       <IconCircleCheck
@@ -42,6 +45,7 @@
         <IconInnerShadowTop
           v-if="isSendingCopy"
           class="animate-spin"
+          aria-hidden="true"
         />
         <IconMail v-else />
         <span>
@@ -57,6 +61,7 @@
         <IconInnerShadowTop
           v-if="isDownloading"
           class="animate-spin"
+          aria-hidden="true"
         />
         <IconDownload v-else />
         <span>
@@ -199,7 +204,7 @@ export default {
       })
     }
 
-    document.querySelectorAll('#decline_button').forEach((button) => {
+    document.querySelectorAll('#decline_button, #decline_button_mobile, #delegate_button, #delegate_button_mobile').forEach((button) => {
       button.setAttribute('disabled', 'true')
     })
   },
diff --git a/app/javascript/submission_form/date_step.vue b/app/javascript/submission_form/date_step.vue
index 5645b8b0..8c27925a 100644
--- a/app/javascript/submission_form/date_step.vue
+++ b/app/javascript/submission_form/date_step.vue
@@ -30,12 +30,13 @@
         class="btn btn-outline btn-sm !normal-case font-normal set-current-date-button"
         @click.prevent="[setCurrentDate(), $emit('focus')]"
       >
-        <IconCalendarCheck :width="16" />
+        <IconCalendarCheck :width="16" aria-hidden="true" />
         {{ t('set_today') }}
       </button>
     </div>
     <div
       v-if="field.description"
+      :id="field.uuid + '-desc'"
       class="mb-3 px-1 field-description-text"
       dir="auto"
     >
@@ -51,6 +52,7 @@
         :max="validationMax"
         class="base-input !text-2xl text-center w-full"
         :required="field.required"
+        :aria-describedby="field.description ? field.uuid + '-desc' : undefined"
         type="date"
         :name="`values[${field.uuid}]`"
         @keydown.enter="onEnter"
diff --git a/app/javascript/submission_form/dropzone.vue b/app/javascript/submission_form/dropzone.vue
index 275b0f30..9a273f40 100644
--- a/app/javascript/submission_form/dropzone.vue
+++ b/app/javascript/submission_form/dropzone.vue
@@ -39,8 +39,9 @@
         ref="input"
         :multiple="multiple"
         :accept="accept"
+        :aria-label="message"
         type="file"
-        class="hidden"
+        class="sr-only"
         @change="onSelectFiles"
       >
     </label>
diff --git a/app/javascript/submission_form/form.vue b/app/javascript/submission_form/form.vue
index 0f469459..3a93f37d 100644
--- a/app/javascript/submission_form/form.vue
+++ b/app/javascript/submission_form/form.vue
@@ -57,6 +57,7 @@
         <IconInnerShadowTop
           v-if="isSubmittingComplete"
           class="mr-1 animate-spin w-5 h-5"
+          aria-hidden="true"
         />
         <span>
           {{ t('complete') }}
@@ -88,6 +89,7 @@
       class="absolute right-0 mr-4"
       :width="20"
       :height="20"
+      aria-hidden="true"
     />
   </button>
   <div
@@ -103,11 +105,13 @@
       class="absolute right-0 top-0 minimize-form-button"
       :class="currentField?.description?.length > 100 ? 'mr-1 mt-1 md:mr-2 md:mt-2': 'mr-2 mt-2 hidden md:block'"
       :title="t('minimize')"
+      :aria-label="t('minimize')"
       @click.prevent="minimizeForm"
     >
       <IconArrowsDiagonalMinimize2
         :width="20"
         :height="20"
+        aria-hidden="true"
       />
     </button>
     <div
@@ -193,6 +197,7 @@
             />
             <div
               v-if="currentField.description"
+              :id="currentField.uuid + '-desc'"
               dir="auto"
               class="mb-3 px-1 field-description-text"
             >
@@ -203,6 +208,7 @@
               :id="currentField.uuid"
               dir="auto"
               :required="currentField.required"
+              :aria-describedby="currentField.description ? currentField.uuid + '-desc' : undefined"
               class="select base-input !text-2xl w-full text-center font-normal"
               :class="{ 'text-gray-300': !values[currentField.uuid] }"
               :name="`values[${currentField.uuid}]`"
@@ -250,6 +256,7 @@
             </label>
             <div
               v-if="currentField.description"
+              :id="currentField.uuid + '-desc'"
               dir="auto"
               class="mb-3 px-1 field-description-text"
             >
@@ -309,6 +316,7 @@
           >
             <div
               v-if="currentField.description"
+              :id="currentField.uuid + '-desc'"
               dir="auto"
               class="mb-3 px-1 field-description-text"
             >
@@ -511,6 +519,7 @@
               <IconInnerShadowTop
                 v-if="isSubmitting"
                 class="mr-1 animate-spin"
+                aria-hidden="true"
               />
               <span>
                 {{ submitButtonText }}
@@ -522,6 +531,7 @@
           </button>
           <div
             v-if="showFillAllRequiredFields"
+            role="alert"
             class="text-center mt-1"
           >
             {{ t('please_fill_all_required_fields') }}
@@ -554,8 +564,9 @@
         :can-send-email="canSendEmail && !!submitter.email"
         :submitter-slug="submitterSlug"
       />
-      <div
+      <nav
         v-if="stepFields.length < 80"
+        :aria-label="t('form_progress')"
         class="flex justify-center mt-3 sm:mt-4 mb-0 sm:mb-1 select-none"
       >
         <div class="flex items-center flex-wrap steps-progress">
@@ -563,16 +574,18 @@
             v-for="(step, index) in stepFields"
             :key="step[0].uuid"
           >
-            <a
+            <button
               v-if="!onlyRequiredFields || step.some((f) => f.required)"
-              href="#"
-              class="inline border border-base-300 h-3 w-3 rounded-full mx-1 mt-1"
+              type="button"
+              :aria-label="`${t('step')} ${index + 1}`"
+              :aria-current="index === currentStep ? 'step' : undefined"
+              class="inline border border-base-300 h-3 w-3 rounded-full mx-1 mt-1 p-0"
               :class="{ 'bg-base-300 steps-progress-current': index === currentStep, 'bg-base-content': (index < currentStep && stepFields[index].every((f) => !f.required || ![null, undefined, ''].includes(values[f.uuid]))) || isCompleted, 'bg-white': index > currentStep }"
-              @click.prevent="isCompleted ? '' : [saveStep(), goToStep(index, true)]"
+              @click="isCompleted ? '' : [saveStep(), goToStep(index, true)]"
             />
           </template>
         </div>
-      </div>
+      </nav>
       <div
         v-else
         class="mt-5"
@@ -1458,7 +1471,7 @@ export default {
           }
 
           this.enableScrollIntoField = false
-          this.$refs.form.querySelector('input[type="date"], input[type="number"], input[type="text"], select')?.focus()
+          this.$refs.form.querySelector('input[type="date"], input[type="number"], input[type="text"], input[type="tel"], textarea, select')?.focus()
           this.enableScrollIntoField = true
 
           if (clickUpload && !this.values[this.currentField.uuid] && ['file', 'image'].includes(this.currentField.type)) {
@@ -1629,6 +1642,15 @@ export default {
 
       if (this.completedRedirectUrl) {
         window.location.href = sanitizeUrl(this.completedRedirectUrl)
+      } else {
+        this.$nextTick(() => {
+          const root = this.$root.$el.parentNode.getRootNode()
+          const completedEl = root.getElementById('form_completed')
+
+          if (completedEl) {
+            completedEl.focus()
+          }
+        })
       }
     }
   }
diff --git a/app/javascript/submission_form/i18n.js b/app/javascript/submission_form/i18n.js
index b9da958d..25030c96 100644
--- a/app/javascript/submission_form/i18n.js
+++ b/app/javascript/submission_form/i18n.js
@@ -1,4 +1,10 @@
 const en = {
+  step: 'Step',
+  form_progress: 'Form progress',
+  close: 'Close',
+  uploaded_files: 'Uploaded files',
+  minimize: 'Minimize',
+  signature_drawing_area: 'Signature drawing area. Use mouse or touch to draw your signature.',
   kba: 'KBA',
   please_upload_an_image_file: 'Please upload an image file',
   must_be_characters_length: 'Must be {number} characters long',
@@ -102,6 +108,11 @@ const en = {
 }
 
 const es = {
+  step: 'Paso',
+  form_progress: 'Progreso del formulario',
+  close: 'Cerrar',
+  uploaded_files: 'Archivos subidos',
+  signature_drawing_area: 'Área de dibujo de firma. Use el ratón o toque para dibujar su firma.',
   kba: 'KBA',
   please_upload_an_image_file: 'Por favor, sube un archivo de imagen',
   must_be_characters_length: 'Debe tener {number} caracteres de longitud',
@@ -205,6 +216,11 @@ const es = {
 }
 
 const it = {
+  step: 'Passo',
+  form_progress: 'Progresso del modulo',
+  close: 'Chiudi',
+  uploaded_files: 'File caricati',
+  signature_drawing_area: 'Area di disegno della firma. Usa il mouse o il tocco per disegnare la tua firma.',
   kba: 'KBA',
   please_upload_an_image_file: 'Per favore carica un file immagine',
   must_be_characters_length: 'Deve essere lungo {number} caratteri',
@@ -308,6 +324,11 @@ const it = {
 }
 
 const de = {
+  step: 'Schritt',
+  form_progress: 'Formularfortschritt',
+  close: 'Schließen',
+  uploaded_files: 'Hochgeladene Dateien',
+  signature_drawing_area: 'Unterschriftszeichenbereich. Verwenden Sie die Maus oder Berührung, um Ihre Unterschrift zu zeichnen.',
   kba: 'KBA',
   please_upload_an_image_file: 'Bitte laden Sie eine Bilddatei hoch',
   must_be_characters_length: 'Muss {number} Zeichen lang sein',
@@ -411,6 +432,11 @@ const de = {
 }
 
 const fr = {
+  step: 'Étape',
+  form_progress: 'Progression du formulaire',
+  close: 'Fermer',
+  uploaded_files: 'Fichiers téléchargés',
+  signature_drawing_area: 'Zone de dessin de signature. Utilisez la souris ou le toucher pour dessiner votre signature.',
   kba: 'KBA',
   please_upload_an_image_file: 'Veuillez téléverser un fichier image',
   must_be_characters_length: 'Doit comporter {number} caractères',
@@ -514,6 +540,11 @@ const fr = {
 }
 
 const pl = {
+  step: 'Krok',
+  form_progress: 'Postęp formularza',
+  close: 'Zamknij',
+  uploaded_files: 'Przesłane pliki',
+  signature_drawing_area: 'Obszar rysowania podpisu. Użyj myszy lub dotyku, aby narysować swój podpis.',
   kba: 'KBA',
   please_upload_an_image_file: 'Proszę przesłać plik obrazu',
   must_be_characters_length: 'Musi mieć długość {number} znaków',
@@ -617,6 +648,11 @@ const pl = {
 }
 
 const uk = {
+  step: 'Крок',
+  form_progress: 'Прогрес форми',
+  close: 'Закрити',
+  uploaded_files: 'Завантажені файли',
+  signature_drawing_area: 'Область малювання підпису. Використовуйте мишу або дотик, щоб намалювати свій підпис.',
   kba: 'KBA',
   please_upload_an_image_file: 'Будь ласка, завантажте файл зображення',
   must_be_characters_length: 'Має містити {number} символів',
@@ -720,6 +756,11 @@ const uk = {
 }
 
 const cs = {
+  step: 'Krok',
+  form_progress: 'Průběh formuláře',
+  close: 'Zavřít',
+  uploaded_files: 'Nahrané soubory',
+  signature_drawing_area: 'Oblast pro kreslení podpisu. Použijte myš nebo dotyk k nakreslení podpisu.',
   kba: 'KBA',
   please_upload_an_image_file: 'Nahrajte prosím obrázkový soubor',
   must_be_characters_length: 'Musí mít délku {number} znaků',
@@ -823,6 +864,11 @@ const cs = {
 }
 
 const pt = {
+  step: 'Passo',
+  form_progress: 'Progresso do formulário',
+  close: 'Fechar',
+  uploaded_files: 'Arquivos enviados',
+  signature_drawing_area: 'Área de desenho da assinatura. Use o mouse ou toque para desenhar sua assinatura.',
   kba: 'KBA',
   please_upload_an_image_file: 'Por favor, envie um arquivo de imagem',
   must_be_characters_length: 'Deve ter {number} caracteres',
@@ -926,6 +972,11 @@ const pt = {
 }
 
 const he = {
+  step: 'שלב',
+  form_progress: 'התקדמות הטופס',
+  close: 'סגור',
+  uploaded_files: 'קבצים שהועלו',
+  signature_drawing_area: 'אזור ציור חתימה. השתמש בעכבר או במגע כדי לצייר את החתימה שלך.',
   kba: 'KBA',
   please_upload_an_image_file: 'אנא העלה קובץ תמונה',
   must_be_characters_length: 'חייב להיות באורך של {number} תווים',
@@ -1029,6 +1080,11 @@ const he = {
 }
 
 const nl = {
+  step: 'Stap',
+  form_progress: 'Formuliervoortgang',
+  close: 'Sluiten',
+  uploaded_files: 'Geüploade bestanden',
+  signature_drawing_area: 'Handtekening tekengebied. Gebruik de muis of aanraking om uw handtekening te tekenen.',
   kba: 'KBA',
   please_upload_an_image_file: 'Upload alstublieft een afbeeldingsbestand',
   must_be_characters_length: 'Moet {number} tekens lang zijn',
@@ -1132,6 +1188,11 @@ const nl = {
 }
 
 const ar = {
+  step: 'خطوة',
+  form_progress: 'تقدم النموذج',
+  close: 'إغلاق',
+  uploaded_files: 'الملفات المرفوعة',
+  signature_drawing_area: 'منطقة رسم التوقيع. استخدم الماوس أو اللمس لرسم توقيعك.',
   kba: 'KBA',
   please_upload_an_image_file: 'يرجى تحميل ملف صورة',
   must_be_characters_length: 'يجب أن يكون الطول {number} حرفًا',
@@ -1235,6 +1296,11 @@ const ar = {
 }
 
 const ko = {
+  step: '단계',
+  form_progress: '양식 진행',
+  close: '닫기',
+  uploaded_files: '업로드된 파일',
+  signature_drawing_area: '서명 그리기 영역. 마우스 또는 터치를 사용하여 서명을 그리세요.',
   kba: 'KBA',
   please_upload_an_image_file: '이미지 파일을 업로드해 주세요',
   must_be_characters_length: '{number}자여야 합니다',
@@ -1338,6 +1404,11 @@ const ko = {
 }
 
 const ja = {
+  step: 'ステップ',
+  form_progress: 'フォームの進捗',
+  close: '閉じる',
+  uploaded_files: 'アップロードされたファイル',
+  signature_drawing_area: '署名描画エリア。マウスまたはタッチを使用して署名を描いてください。',
   kba: 'KBA',
   please_upload_an_image_file: '画像ファイルをアップロードしてください',
   must_be_characters_length: '{number}文字でなければなりません',
diff --git a/app/javascript/submission_form/image_step.vue b/app/javascript/submission_form/image_step.vue
index 3d25fbca..b4d2fa13 100644
--- a/app/javascript/submission_form/image_step.vue
+++ b/app/javascript/submission_form/image_step.vue
@@ -18,13 +18,14 @@
         class="btn btn-outline btn-sm reupload-button"
         @click.prevent="remove"
       >
-        <IconReload :width="16" />
+        <IconReload :width="16" aria-hidden="true" />
         {{ t('reupload') }}
       </button>
     </div>
     <div>
       <img
         :src="attachmentsIndex[modelValue].url"
+        :alt="field.name || t('image')"
         class="h-52 border border-base-300 rounded mx-auto uploaded-image-preview"
       >
     </div>
diff --git a/app/javascript/submission_form/initials_step.vue b/app/javascript/submission_form/initials_step.vue
index 8a53d532..21378fbb 100644
--- a/app/javascript/submission_form/initials_step.vue
+++ b/app/javascript/submission_form/initials_step.vue
@@ -22,41 +22,43 @@
           class="md:tooltip"
           :data-tip="t('type_initial')"
         >
-          <a
+          <button
             id="type_text_button"
-            href="#"
+            type="button"
+            :aria-label="t('type_initial')"
             class="btn btn-outline font-medium btn-sm type-text-button"
-            @click.prevent="toggleTextInput"
+            @click="toggleTextInput"
           >
-            <IconTextSize :width="16" />
+            <IconTextSize :width="16" aria-hidden="true" />
             <span class="hidden sm:inline">
               {{ t('type') }}
             </span>
-          </a>
+          </button>
         </span>
         <span
           v-else
           class="md:tooltip ml-2"
           :data-tip="t('draw_initials')"
         >
-          <a
+          <button
             id="type_text_button"
-            href="#"
+            type="button"
+            :aria-label="t('draw_initials')"
             class="btn btn-outline font-medium btn-sm type-text-button"
-            @click.prevent="toggleTextInput"
+            @click="toggleTextInput"
           >
-            <IconSignature :width="16" />
+            <IconSignature :width="16" aria-hidden="true" />
             <span class="hidden sm:inline">
               {{ t('draw') }}
             </span>
-          </a>
+          </button>
         </span>
         <span
           class="md:tooltip"
           :data-tip="t('click_to_upload')"
         >
-          <label class="btn btn-outline btn-sm font-medium inline-flex flex-nowrap upload-image-button">
-            <IconUpload :width="16" />
+          <label role="button" tabindex="0" :aria-label="t('click_to_upload')" class="btn btn-outline btn-sm font-medium inline-flex flex-nowrap upload-image-button" @keydown.enter.prevent="$el.querySelector('input')?.click()" @keydown.space.prevent="$el.querySelector('input')?.click()">
+            <IconUpload :width="16" aria-hidden="true" />
             <input
               :key="uploadImageInputKey"
               type="file"
@@ -69,35 +71,37 @@
             </span>
           </label>
         </span>
-        <a
+        <button
           v-if="modelValue || computedPreviousValue"
-          href="#"
+          type="button"
           class="btn font-medium btn-outline btn-sm clear-canvas-button"
-          @click.prevent="remove"
+          @click="remove"
         >
-          <IconReload :width="16" />
+          <IconReload :width="16" aria-hidden="true" />
           {{ t('clear') }}
-        </a>
-        <a
+        </button>
+        <button
           v-else
-          href="#"
+          type="button"
           class="btn font-medium btn-outline btn-sm clear-canvas-button"
-          @click.prevent="clear"
+          @click="clear"
         >
-          <IconReload :width="16" />
+          <IconReload :width="16" aria-hidden="true" />
           {{ t('clear') }}
-        </a>
-        <a
+        </button>
+        <button
+          type="button"
           :title="t('minimize')"
-          href="#"
+          :aria-label="t('minimize')"
           class="py-1.5 inline md:hidden"
-          @click.prevent="$emit('minimize')"
+          @click="$emit('minimize')"
         >
           <IconArrowsDiagonalMinimize2
             :width="20"
             :height="20"
+            aria-hidden="true"
           />
-        </a>
+        </button>
       </div>
     </div>
     <div
diff --git a/app/javascript/submission_form/multi_select_step.vue b/app/javascript/submission_form/multi_select_step.vue
index 4040f7d8..60e23bbd 100644
--- a/app/javascript/submission_form/multi_select_step.vue
+++ b/app/javascript/submission_form/multi_select_step.vue
@@ -19,6 +19,7 @@
   </label>
   <div
     v-if="field.description"
+    :id="field.uuid + '-desc'"
     dir="auto"
     class="mb-3 px-1 field-description-text"
   >
@@ -59,6 +60,7 @@
             type="checkbox"
             :name="`values[${field.uuid}][]`"
             :value="optionValue(option, index)"
+            :aria-describedby="field.description ? field.uuid + '-desc' : undefined"
             class="base-checkbox !h-7 !w-7"
             :checked="(modelValue || []).includes(optionValue(option, index))"
             @change="onChange"
diff --git a/app/javascript/submission_form/number_step.vue b/app/javascript/submission_form/number_step.vue
index ed7e18c5..8f06f12d 100644
--- a/app/javascript/submission_form/number_step.vue
+++ b/app/javascript/submission_form/number_step.vue
@@ -23,6 +23,7 @@
   />
   <div
     v-if="field.description"
+    :id="field.uuid + '-desc'"
     dir="auto"
     class="mb-3 px-1 field-description-text"
   >
@@ -44,6 +45,7 @@
       :max="field.validation?.max"
       class="base-input !text-2xl w-full"
       :required="field.required"
+      :aria-describedby="field.description ? field.uuid + '-desc' : undefined"
       :placeholder="`${t('type_here_')}${field.required ? '' : ` (${t('optional')})`}`"
       :name="`values[${field.uuid}]`"
       @focus="$emit('focus')"
diff --git a/app/javascript/submission_form/phone_step.vue b/app/javascript/submission_form/phone_step.vue
index b854c384..83a31626 100644
--- a/app/javascript/submission_form/phone_step.vue
+++ b/app/javascript/submission_form/phone_step.vue
@@ -16,6 +16,7 @@
     </label>
     <div
       v-if="field.description"
+      :id="field.uuid + '-desc'"
       dir="auto"
       class="mb-3 px-1 field-description-text"
     >
@@ -42,28 +43,28 @@
           @input="onInputCode"
         >
         <div class="flex justify-between mt-2 -mb-2 md:-mb-4">
-          <a
+          <button
             v-if="!defaultValue"
-            href="#"
+            type="button"
             class="link change-phone-number-link"
-            @click.prevent="isCodeSent = false"
+            @click="isCodeSent = false"
           >
             {{ t('change_phone_number') }}
-          </a>
+          </button>
           <span
             v-if="resendCodeCountdown > 0"
             class="link"
           >
             {{ t('wait_countdown_seconds').replace('{countdown}', resendCodeCountdown) }}
           </span>
-          <a
+          <button
             v-else
-            href="#"
+            type="button"
             class="link resend-code-link"
-            @click.prevent="resendCode"
+            @click="resendCode"
           >
             {{ isResendLoading ? t('sending') : t('resend_code') }}
-          </a>
+          </button>
         </div>
       </div>
       <div
@@ -107,6 +108,7 @@
           type="tel"
           inputmode="tel"
           :required="field.required"
+          :aria-describedby="field.description ? field.uuid + '-desc' : undefined"
           placeholder="234 567-8900"
           @input="onPhoneInput"
           @focus="$emit('focus')"
diff --git a/app/javascript/submission_form/signature_step.vue b/app/javascript/submission_form/signature_step.vue
index fb59ef3b..3192138a 100644
--- a/app/javascript/submission_form/signature_step.vue
+++ b/app/javascript/submission_form/signature_step.vue
@@ -25,17 +25,21 @@
           class="md:tooltip"
           :data-tip="t('draw_signature')"
         >
-          <a
+          <button
             id="type_text_button"
-            href="#"
+            type="button"
+            :aria-label="t('draw_signature')"
             class="btn btn-outline btn-sm font-medium type-text-button"
-            @click.prevent="[toggleTextInput(), hideQr()]"
+            @click="[toggleTextInput(), hideQr()]"
           >
-            <IconSignature :width="16" />
+            <IconSignature
+              :width="16"
+              aria-hidden="true"
+            />
             <span class="hidden sm:inline">
               {{ t('draw') }}
             </span>
-          </a>
+          </button>
         </span>
         <span
           v-else-if="withTypedSignature && format !== 'drawn_or_upload' && format !== 'typed_or_upload' && format !== 'typed' && format !== 'drawn' && format !== 'upload'"
@@ -43,17 +47,21 @@
           :class="{ 'hidden sm:inline': modelValue || computedPreviousValue }"
           :data-tip="t('type_text')"
         >
-          <a
+          <button
             id="type_text_button"
-            href="#"
+            type="button"
+            :aria-label="t('type_text')"
             class="btn btn-outline btn-sm font-medium inline-flex flex-nowrap type-text-button"
-            @click.prevent="[toggleTextInput(), hideQr()]"
+            @click="[toggleTextInput(), hideQr()]"
           >
-            <IconTextSize :width="16" />
+            <IconTextSize
+              :width="16"
+              aria-hidden="true"
+            />
             <span class="hidden sm:inline">
               {{ t('type') }}
             </span>
-          </a>
+          </button>
         </span>
         <span
           v-if="format !== 'typed' && format !== 'drawn' && format !== 'upload' && format !== 'drawn_or_typed'"
@@ -61,8 +69,18 @@
           :class="{ 'hidden sm:inline': modelValue || computedPreviousValue }"
           :data-tip="t('take_photo')"
         >
-          <label class="btn btn-outline btn-sm font-medium inline-flex flex-nowrap upload-image-button">
-            <IconCamera :width="16" />
+          <label
+            role="button"
+            tabindex="0"
+            :aria-label="t('take_photo')"
+            class="btn btn-outline btn-sm font-medium inline-flex flex-nowrap upload-image-button"
+            @keydown.enter.prevent="$el.querySelector('input')?.click()"
+            @keydown.space.prevent="$el.querySelector('input')?.click()"
+          >
+            <IconCamera
+              :width="16"
+              aria-hidden="true"
+            />
             <input
               :key="uploadImageInputKey"
               type="file"
@@ -75,47 +93,55 @@
             </span>
           </label>
         </span>
-        <a
+        <button
           v-if="modelValue || computedPreviousValue"
-          href="#"
+          type="button"
           class="btn btn-outline btn-sm font-medium reupload-button"
-          @click.prevent="remove"
+          @click="remove"
         >
-          <IconReload :width="16" />
+          <IconReload
+            :width="16"
+            aria-hidden="true"
+          />
           {{ t(format === 'upload' ? 'reupload' : 'redraw') }}
-        </a>
+        </button>
         <span
           v-if="withQrButton && !modelValue && !computedPreviousValue && format !== 'typed_or_upload' && format !== 'typed' && format !== 'upload'"
           class="md:tooltip before:translate-x-[-90%]"
           :data-tip="t('sign_on_the_touchscreen')"
         >
-          <a
-            href="#"
+          <button
+            type="button"
+            :aria-label="t('sign_on_the_touchscreen')"
             class="btn btn-sm btn-neutral font-medium hidden md:flex"
             :class="{ 'btn-outline': !isShowQr, 'text-white': isShowQr }"
-            @click.prevent="isShowQr ? hideQr() : [isTextSignature = false, showQr()]"
+            @click="isShowQr ? hideQr() : [isTextSignature = false, showQr()]"
           >
             <IconQrcode
               :width="19"
               :height="19"
+              aria-hidden="true"
             />
-          </a>
+          </button>
         </span>
-        <a
-          href="#"
+        <button
+          type="button"
           :title="t('minimize')"
+          :aria-label="t('minimize')"
           class="py-1.5 inline md:hidden"
-          @click.prevent="$emit('minimize')"
+          @click="$emit('minimize')"
         >
           <IconArrowsDiagonalMinimize2
             :width="20"
             :height="20"
+            aria-hidden="true"
           />
-        </a>
+        </button>
       </div>
     </div>
     <div
       v-if="field.description"
+      :id="field.uuid + '-desc'"
       dir="auto"
       class="mb-3 px-1 field-description-text"
     >
@@ -136,6 +162,7 @@
     <img
       v-if="modelValue || computedPreviousValue"
       :src="attachmentsIndex[modelValue || computedPreviousValue].url"
+      :alt="field.name || t('signature')"
       class="mx-auto bg-white border border-base-300 rounded max-h-44"
     >
     <FileDropzone
@@ -154,14 +181,17 @@
         v-if="!modelValue && !computedPreviousValue && !isShowQr && !isTextSignature && isSignatureStarted"
         class="absolute top-0.5 right-0.5"
       >
-        <a
-          href="#"
+        <button
+          type="button"
           class="btn btn-ghost font-medium btn-xs md:btn-sm"
-          @click.prevent="[clear(), hideQr()]"
+          @click="[clear(), hideQr()]"
         >
-          <IconReload :width="16" />
+          <IconReload
+            :width="16"
+            aria-hidden="true"
+          />
           {{ t('clear') }}
-        </a>
+        </button>
       </div>
       <div
         v-if="isTextSignature"
@@ -170,6 +200,8 @@
       <canvas
         v-show="!modelValue && !computedPreviousValue"
         ref="canvas"
+        role="application"
+        :aria-label="t('signature_drawing_area')"
         style="padding: 1px; 0"
         class="bg-white border border-base-300 rounded-2xl w-full draw-canvas"
       />
@@ -182,13 +214,14 @@
         class="top-0 bottom-0 right-0 left-0 absolute bg-base-content/10 rounded-2xl"
       >
         <div class="absolute top-1.5 right-1.5">
-          <a
-            href="#"
+          <button
+            type="button"
             class="btn btn-sm btn-circle btn-normal btn-outline"
-            @click.prevent="hideQr"
+            :aria-label="t('close')"
+            @click="hideQr"
           >
-            <IconX />
-          </a>
+            <IconX aria-hidden="true" />
+          </button>
         </div>
         <div class="flex items-center justify-center w-full h-full p-4">
           <div
diff --git a/app/javascript/submission_form/text_step.vue b/app/javascript/submission_form/text_step.vue
index 17b921c1..0fde1202 100644
--- a/app/javascript/submission_form/text_step.vue
+++ b/app/javascript/submission_form/text_step.vue
@@ -23,6 +23,7 @@
   />
   <div
     v-if="field.description"
+    :id="field.uuid + '-desc'"
     dir="auto"
     class="mb-3 px-1 field-description-text"
   >
@@ -40,6 +41,7 @@
       :class="{ '!pr-11 -mr-10': !field.validation?.pattern }"
       :required="field.required"
       :pattern="field.validation?.pattern"
+      :aria-describedby="field.description ? field.uuid + '-desc' : undefined"
       :placeholder="`${t('type_here_')}${field.required ? '' : ` (${t('optional')})`}`"
       type="text"
       :name="`values[${field.uuid}]`"
@@ -54,6 +56,7 @@
       v-model="text"
       dir="auto"
       class="base-textarea !text-2xl w-full"
+      :aria-describedby="field.description ? field.uuid + '-desc' : undefined"
       :placeholder="`${t('type_here_')}${field.required ? '' : ` (${t('optional')})`}`"
       :required="field.required"
       :name="`values[${field.uuid}]`"
@@ -65,13 +68,14 @@
       class="tooltip"
       :data-tip="t('toggle_multiline_text')"
     >
-      <a
-        href="#"
+      <button
+        type="button"
+        :aria-label="t('toggle_multiline_text')"
         class="btn btn-ghost btn-circle btn-sm toggle-multiline-text-button"
-        @click.prevent="toggleTextArea"
+        @click="toggleTextArea"
       >
-        <IconAlignBoxLeftTop />
-      </a>
+        <IconAlignBoxLeftTop aria-hidden="true" />
+      </button>
     </div>
   </div>
 </template>
diff --git a/app/javascript/submission_form/verification_step.vue b/app/javascript/submission_form/verification_step.vue
index 0e0bb767..59ae6c4c 100644
--- a/app/javascript/submission_form/verification_step.vue
+++ b/app/javascript/submission_form/verification_step.vue
@@ -30,6 +30,7 @@
       <IconInnerShadowTop
         width="40"
         class="animate-spin h-10"
+        aria-hidden="true"
       />
     </div>
     <div v-else-if="redirectUrl">
diff --git a/app/views/icons/_circle_check.html.erb b/app/views/icons/_circle_check.html.erb
index 42cb3771..fbc98a36 100644
--- a/app/views/icons/_circle_check.html.erb
+++ b/app/views/icons/_circle_check.html.erb
@@ -1,4 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
    <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
    <path d="M12 12m-9 0a9 9 0 1 0 18 0a9 9 0 1 0 -18 0"></path>
    <path d="M9 12l2 2l4 -4"></path>
diff --git a/app/views/icons/_download.html.erb b/app/views/icons/_download.html.erb
index 752e8e4e..bb8be194 100644
--- a/app/views/icons/_download.html.erb
+++ b/app/views/icons/_download.html.erb
@@ -1,4 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
   <path stroke="none" d="M0 0h24v24H0z" fill="none" />
   <path d="M4 17v2a2 2 0 0 0 2 2h12a2 2 0 0 0 2 -2v-2" />
   <path d="M7 11l5 5l5 -5" />
diff --git a/app/views/icons/_info_circle.html.erb b/app/views/icons/_info_circle.html.erb
index e2b2f806..b208f7b4 100644
--- a/app/views/icons/_info_circle.html.erb
+++ b/app/views/icons/_info_circle.html.erb
@@ -1,4 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
    <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
    <path d="M3 12a9 9 0 1 0 18 0a9 9 0 0 0 -18 0"></path>
    <path d="M12 9h.01"></path>
diff --git a/app/views/icons/_loader.html.erb b/app/views/icons/_loader.html.erb
index aab094f1..48e79c3b 100644
--- a/app/views/icons/_loader.html.erb
+++ b/app/views/icons/_loader.html.erb
@@ -1,4 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
   <path stroke="none" d="M0 0h24v24H0z" fill="none" />
   <path d="M12 3a9 9 0 1 0 9 9" />
 </svg>
diff --git a/app/views/icons/_mail_forward.html.erb b/app/views/icons/_mail_forward.html.erb
index 5f883b8f..b63b52e0 100644
--- a/app/views/icons/_mail_forward.html.erb
+++ b/app/views/icons/_mail_forward.html.erb
@@ -1,4 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
   <path stroke="none" d="M0 0h24v24H0z" fill="none" />
   <path d="M12 18h-7a2 2 0 0 1 -2 -2v-10a2 2 0 0 1 2 -2h14a2 2 0 0 1 2 2v7.5" />
   <path d="M3 6l9 6l9 -6" />
diff --git a/app/views/icons/_reload.html.erb b/app/views/icons/_reload.html.erb
index f7848edd..7bf4dcdc 100644
--- a/app/views/icons/_reload.html.erb
+++ b/app/views/icons/_reload.html.erb
@@ -1,4 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="2" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round">
+<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="2" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round">
   <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
   <path d="M19.933 13.041a8 8 0 1 1 -9.925 -8.788c3.899 -1 7.935 1.007 9.425 4.747"></path>
   <path d="M20 4v5h-5"></path>
diff --git a/app/views/icons/_user_share.html.erb b/app/views/icons/_user_share.html.erb
index ecb37945..1cfa7a92 100644
--- a/app/views/icons/_user_share.html.erb
+++ b/app/views/icons/_user_share.html.erb
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="<%= local_assigns[:class] %>"><path stroke="none" d="M0 0h24v24H0z" fill="none" /><path d="M8 7a4 4 0 1 0 8 0a4 4 0 0 0 -8 0" /><path d="M6 21v-2a4 4 0 0 1 4 -4h3" /><path d="M16 22l5 -5" /><path d="M21 21.5v-4.5h-4.5" /></svg>
+<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="<%= local_assigns[:class] %>"><path stroke="none" d="M0 0h24v24H0z" fill="none" /><path d="M8 7a4 4 0 1 0 8 0a4 4 0 0 0 -8 0" /><path d="M6 21v-2a4 4 0 0 1 4 -4h3" /><path d="M16 22l5 -5" /><path d="M21 21.5v-4.5h-4.5" /></svg>
diff --git a/app/views/icons/_writing_sign.html.erb b/app/views/icons/_writing_sign.html.erb
index eb97b60c..996ba93e 100644
--- a/app/views/icons/_writing_sign.html.erb
+++ b/app/views/icons/_writing_sign.html.erb
@@ -1,4 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
   <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
   <path d="M3 19c3.333 -2 5 -4 5 -6c0 -3 -1 -3 -2 -3s-2.032 1.085 -2 3c.034 2.048 1.658 2.877 2.5 4c1.5 2 2.5 2.5 3.5 1c.667 -1 1.167 -1.833 1.5 -2.5c1 2.333 2.333 3.5 4 3.5h2.5"></path>
   <path d="M20 17v-12c0 -1.121 -.879 -2 -2 -2s-2 .879 -2 2v12l2 2l2 -2z"></path>
diff --git a/app/views/icons/_x.html.erb b/app/views/icons/_x.html.erb
index be52086b..afc8b93e 100644
--- a/app/views/icons/_x.html.erb
+++ b/app/views/icons/_x.html.erb
@@ -1,4 +1,4 @@
-<svg xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" width="24" height="24" stroke-width="2">
+<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" width="24" height="24" stroke-width="2">
   <path d="M18 6l-12 12"></path>
   <path d="M6 6l12 12"></path>
 </svg>
diff --git a/app/views/shared/_html_modal.html.erb b/app/views/shared/_html_modal.html.erb
index 419f04df..6245c530 100644
--- a/app/views/shared/_html_modal.html.erb
+++ b/app/views/shared/_html_modal.html.erb
@@ -1,18 +1,22 @@
 <% uuid = local_assigns[:uuid] || SecureRandom.uuid %>
-<input type="checkbox" id="<%= uuid %>" class="modal-toggle">
-<div id="<%= local_assigns[:id] %>" class="modal items-start !animate-none overflow-y-auto">
+<% title_id = "#{uuid}-title" %>
+<%= tag.dialog id: uuid, class: "modal items-start overflow-y-auto", inert: true, "aria-labelledby": (title_id if local_assigns[:title]) do %>
   <div class="modal-box pt-4 pb-6 px-6 mt-20 max-h-none">
     <% if local_assigns[:title] %>
       <div class="flex justify-between items-center border-b pb-2 mb-2 font-medium">
-        <span>
+        <span id="<%= title_id %>">
           <%= local_assigns[:title] %>
         </span>
-        <label for="<%= uuid %>" class="text-xl">&times;</label>
+        <form method="dialog">
+          <button class="text-xl cursor-pointer w-6 h-6" aria-label="<%= t('close') %>">&times;</button>
+        </form>
       </div>
     <% end %>
     <div>
       <%= yield %>
     </div>
   </div>
-  <label class="modal-backdrop" for="<%= uuid %>"></label>
-</div>
+  <form method="dialog" class="modal-backdrop">
+    <button aria-label="<%= t('close') %>"></button>
+  </form>
+<% end %>
diff --git a/app/views/start_form/completed.html.erb b/app/views/start_form/completed.html.erb
index c21b3d45..596964f8 100644
--- a/app/views/start_form/completed.html.erb
+++ b/app/views/start_form/completed.html.erb
@@ -1,4 +1,4 @@
-<div class="max-w-md mx-auto px-2 mt-12 mb-4">
+<main class="max-w-md mx-auto px-2 mt-12 mb-4">
   <div class="space-y-6 mx-auto">
     <div class="space-y-6">
       <div class="flex items-center justify-center">
@@ -32,5 +32,5 @@
       </toggle-submit>
     <% end %>
   </div>
-</div>
+</main>
 <%= render 'shared/attribution', link_path: '/start', account: @submitter.account %>
diff --git a/app/views/start_form/email_verification.html.erb b/app/views/start_form/email_verification.html.erb
index 70983e8d..248278c5 100644
--- a/app/views/start_form/email_verification.html.erb
+++ b/app/views/start_form/email_verification.html.erb
@@ -2,7 +2,7 @@
 <% I18n.with_locale(@template.account.locale) do %>
   <% content_for(:html_description, t('account_name_has_invited_you_to_fill_and_sign_documents_online_effortlessly_with_a_secure_fast_and_user_friendly_digital_document_signing_solution', account_name: @template.account.name)) %>
 <% end %>
-<div class="max-w-md mx-auto px-2 mt-12 mb-4">
+<main class="max-w-md mx-auto px-2 mt-12 mb-4">
   <div class="space-y-6 mx-auto">
     <div class="space-y-6">
       <div class="flex items-center justify-center">
@@ -51,4 +51,4 @@
     <% end %>
     <%= button_to t(:re_send_email), start_form_email_2fa_send_index_path, params: { slug: @template.slug, resend: true, submitter: { name: params[:name] || @submitter&.name, email: params[:email] || @submitter&.email, phone: params[:phone] || @submitter&.phone } }.compact, method: :post, id: 'resend_code', class: 'hidden' %>
   </div>
-</div>
+</main>
diff --git a/app/views/start_form/private.html.erb b/app/views/start_form/private.html.erb
index 6b8104d6..083cc67c 100644
--- a/app/views/start_form/private.html.erb
+++ b/app/views/start_form/private.html.erb
@@ -2,7 +2,7 @@
 <% I18n.with_locale(@template.account.locale) do %>
   <% content_for(:html_description, t('share_link_is_currently_disabled')) %>
 <% end %>
-<div class="max-w-md space-y-6 mx-auto px-2 mt-12 mb-4">
+<main class="max-w-md space-y-6 mx-auto px-2 mt-12 mb-4">
   <div class="text-center w-full space-y-6">
     <%= render 'banner' %>
     <p class="text-xl font-semibold text-center">
@@ -27,5 +27,5 @@
       <%= button_to button_title(title: t('enable_shared_link'), icon: svg_icon('lock_open', class: 'w-6 h-6')), template_share_link_path(@template), params: { template: { shared_link: true }, redir: start_form_path(slug: @template.slug) }, method: :post, class: 'white-button w-full' %>
     </toggle-submit>
   <% end %>
-</div>
+</main>
 <%= render 'shared/attribution', link_path: '/start', account: @template.account %>
diff --git a/app/views/start_form/show.html.erb b/app/views/start_form/show.html.erb
index 271b50c1..2c50dbd0 100644
--- a/app/views/start_form/show.html.erb
+++ b/app/views/start_form/show.html.erb
@@ -2,7 +2,7 @@
 <% I18n.with_locale(@template.account.locale) do %>
   <% content_for(:html_description, t('account_name_has_invited_you_to_fill_and_sign_documents_online_effortlessly_with_a_secure_fast_and_user_friendly_digital_document_signing_solution', account_name: @template.account.name)) %>
 <% end %>
-<div class="max-w-md mx-auto px-2 mt-12 mb-4">
+<main class="max-w-md mx-auto px-2 mt-12 mb-4">
   <div class="space-y-6 mx-auto">
     <div class="space-y-6">
       <div class="text-center w-full space-y-6">
@@ -63,6 +63,8 @@
       <% end %>
     <% end %>
   </div>
-</div>
-<%= render 'shared/attribution', link_path: '/start', account: @template.account %>
-<%= render 'start_form/policy', account: @template.account %>
+  <div class="mt-4">
+    <%= render 'shared/attribution', link_path: '/start', account: @template.account %>
+    <%= render 'start_form/policy', account: @template.account %>
+  </div>
+</main>
diff --git a/app/views/submissions/_value.html.erb b/app/views/submissions/_value.html.erb
index 5654080c..6b639373 100644
--- a/app/views/submissions/_value.html.erb
+++ b/app/views/submissions/_value.html.erb
@@ -10,7 +10,7 @@
     <% is_narrow = area['h'].positive? && ((area['w'] * local_assigns[:page_width]).to_f / (area['h'] * local_assigns[:page_height])) > 4.5 %>
     <div class="flex justify-between w-full h-full gap-1 <%= is_narrow && (local_assigns[:with_signature_id] || field.dig('preferences', 'reason_field_uuid').present?) ? 'flex-row' : 'flex-col' %>">
       <div class="flex overflow-hidden <%= is_narrow && (local_assigns[:with_signature_id] || field.dig('preferences', 'reason_field_uuid').present?) ? 'w-1/2' : 'flex-grow' %>" style="min-height: 50%">
-        <img class="object-contain mx-auto" src="<%= attachments_index[value].url %>">
+        <img class="object-contain mx-auto" src="<%= attachments_index[value].url %>" alt="<%= field['name'].presence || field['title'].presence || field['type'] %>">
       </div>
       <% if (local_assigns[:with_signature_id] || field.dig('preferences', 'reason_field_uuid').present?) && attachment = attachments_index[value] %>
         <div class="text-[1vw] lg:text-[0.55rem] lg:leading-[0.65rem] <%= is_narrow ? 'w-1/2' : 'w-full' %>">
@@ -35,7 +35,7 @@
       <% end %>
     </div>
   <% elsif field['type'].in?(['image', 'initials', 'stamp', 'kba']) && attachments_index[value].image? %>
-    <img class="object-contain mx-auto" src="<%= attachments_index[value].url %>" loading="lazy">
+    <img class="object-contain mx-auto" src="<%= attachments_index[value].url %>" loading="lazy" alt="<%= field['name'].presence || field['title'].presence || field['type'] %>">
   <% elsif field['type'].in?(['file', 'payment', 'image']) %>
     <autosize-field></autosize-field>
     <div class="px-0.5 flex flex-col justify-center">
diff --git a/app/views/submissions/show.html.erb b/app/views/submissions/show.html.erb
index de82482b..50e0c6e8 100644
--- a/app/views/submissions/show.html.erb
+++ b/app/views/submissions/show.html.erb
@@ -8,11 +8,11 @@
 <% with_submitter_timezone = configs.find { |e| e.key == AccountConfig::WITH_SUBMITTER_TIMEZONE_KEY }&.value == true %>
 <% with_timestamp_seconds = configs.find { |e| e.key == AccountConfig::WITH_TIMESTAMP_SECONDS_KEY }&.value == true %>
 <% with_signature_id_reason = configs.find { |e| e.key == AccountConfig::WITH_SIGNATURE_ID_REASON_KEY }&.value != false %>
-<div style="max-width: 1600px" class="mx-auto pl-4">
+<main style="max-width: 1600px" class="mx-auto pl-4">
   <div class="flex justify-between py-1.5 items-center pr-4 sticky top-0 md:relative z-10 bg-base-100">
     <a href="<%= signed_in? && @submission.account_id == current_account&.id && @submission.template ? template_path(@submission.template) : '/' %>" class="flex items-center space-x-3 py-1">
       <span><%= render 'submissions/logo' %></span>
-      <span class="text-xl md:text-3xl font-semibold focus:text-clip" style="overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2;"><% (@submission.name || @submission.template.name).split(/(_)/).each do |item| %><%= item %><wbr><% end %></span>
+      <h1 class="text-xl md:text-3xl font-semibold focus:text-clip" style="overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2;"><% (@submission.name || @submission.template.name).split(/(_)/).each do |item| %><%= item %><wbr><% end %></h1>
     </a>
     <div class="space-x-3 flex items-center">
       <% is_all_completed = @submission.submitters.to_a.all?(&:completed_at?) %>
@@ -33,7 +33,7 @@
       <% if @submission.submitters.to_a.any?(&:completed_at?) %>
         <% if is_all_completed || !is_combined_enabled %>
           <div class="join relative">
-            <download-button data-src="<%= local_assigns[:is_preview] ? (@sig_submitter ? submit_form_documents_path(@sig_submitter.slug, { sig: params[:sig], combined: is_combined_enabled }.compact_blank) : submissions_preview_download_index_path(@submission.slug, combined: is_combined_enabled.presence)) : submission_download_index_path(@submission, combined: is_combined_enabled.presence) %>" class="base-button <%= '!rounded-r-none !pr-2' if is_all_completed && !is_combined_enabled %>">
+            <download-button role="button" tabindex="0" aria-label="<%= t('download') %>" data-src="<%= local_assigns[:is_preview] ? (@sig_submitter ? submit_form_documents_path(@sig_submitter.slug, { sig: params[:sig], combined: is_combined_enabled }.compact_blank) : submissions_preview_download_index_path(@submission.slug, combined: is_combined_enabled.presence)) : submission_download_index_path(@submission, combined: is_combined_enabled.presence) %>" class="base-button <%= '!rounded-r-none !pr-2' if is_all_completed && !is_combined_enabled %>">
               <span class="flex items-center justify-center space-x-2" data-target="download-button.defaultButton">
                 <%= svg_icon('download', class: 'w-6 h-6') %>
                 <span class="hidden md:inline"><%= t('download') %></span>
@@ -45,14 +45,14 @@
             </download-button>
             <% if is_all_completed && !is_combined_enabled %>
               <div class="dropdown dropdown-end">
-                <label tabindex="0" class="base-button !rounded-l-none !pl-1 !pr-2 !border-l-neutral-500">
+                <label tabindex="0" aria-label="<%= t('download') %>" class="base-button !rounded-l-none !pl-1 !pr-2 !border-l-neutral-500">
                   <span class="text-sm align-text-top">
                     <%= svg_icon('chevron_down', class: 'w-6 h-6 flex-shrink-0 stroke-2') %>
                   </span>
                 </label>
-                <ul tabindex="0" class="z-10 dropdown-content p-2 mt-2 shadow menu text-base bg-base-100 rounded-box text-right">
+                <ul class="z-10 dropdown-content p-2 mt-2 shadow menu text-base bg-base-100 rounded-box text-right">
                   <li>
-                    <download-button data-src="<%= local_assigns[:is_preview] ? (@sig_submitter ? submit_form_documents_path(@sig_submitter.slug, { sig: params[:sig], combined: true }.compact) : submissions_preview_download_index_path(@submission.slug, combined: true)) : submission_download_index_path(@submission, combined: true) %>" class="flex items-center">
+                    <download-button role="button" tabindex="0" data-src="<%= local_assigns[:is_preview] ? (@sig_submitter ? submit_form_documents_path(@sig_submitter.slug, { sig: params[:sig], combined: true }.compact) : submissions_preview_download_index_path(@submission.slug, combined: true)) : submission_download_index_path(@submission, combined: true) %>" class="flex items-center">
                       <span class="flex items-center justify-center space-x-2" data-target="download-button.defaultButton">
                         <%= svg_icon('download', class: 'w-6 h-6 flex-shrink-0') %>
                         <span class="whitespace-nowrap"><%= t('download_combined_pdf') %></span>
@@ -74,14 +74,14 @@
     </div>
   </div>
   <div class="flex md:max-h-[calc(100vh-60px)]">
-    <div class="overflow-y-auto overflow-x-hidden hidden lg:block w-52 flex-none pr-3 mt-0.5 pt-0.5">
+    <div class="overflow-y-auto overflow-x-hidden hidden lg:block w-52 flex-none pr-3 mt-0.5 pt-0.5" tabindex="0">
       <% values = @submission.submitters.reduce({}) { |acc, sub| acc.merge(sub.values) } %>
       <% schema = Submissions.filtered_conditions_schema(@submission, values:) %>
       <% schema.each do |item| %>
         <% document = @submission.schema_documents.find { |a| item['attachment_uuid'] == a.uuid } %>
         <% if document.preview_images.first %>
           <scroll-to data-selector-id="page-<%= document.uuid %>-0" class="block cursor-pointer">
-            <img src="<%= (document.preview_images.find { |e| e.filename.base.to_i.zero? } || document.preview_images.first).url %>" width="<%= document.preview_images.first.metadata['width'] %>" height="<%= document.preview_images.first.metadata['height'] %>" class="rounded border" loading="lazy">
+            <img src="<%= (document.preview_images.find { |e| e.filename.base.to_i.zero? } || document.preview_images.first).url %>" width="<%= document.preview_images.first.metadata['width'] %>" height="<%= document.preview_images.first.metadata['height'] %>" class="rounded border" loading="lazy" alt="<%= item['name'].presence || document.filename.base %>">
             <div class="pb-2 pt-1.5 text-center" dir="auto">
               <%= item['name'].presence || document.filename.base %>
             </div>
@@ -89,7 +89,7 @@
         <% end %>
       <% end %>
     </div>
-    <div id="document_view" class="w-full overflow-y-auto overflow-x-hidden mt-0.5 pt-0.5">
+    <div id="document_view" class="w-full overflow-y-auto overflow-x-hidden mt-0.5 pt-0.5" tabindex="0">
       <div class="pr-3.5 pl-0.5">
         <% fields_index = Templates.build_field_areas_index(@submission.template_fields || @submission.template.fields) %>
         <% submitters_index = @submission.submitters.index_by(&:uuid) %>
@@ -105,7 +105,7 @@
           <% (document.metadata.dig('pdf', 'number_of_pages') || (document.preview_images.loaded? ? preview_images_index.size : document.preview_images.size)).times do |index| %>
             <% page = preview_images_index[index] || page_blob_struct.new(metadata: lazyload_metadata, url: preview_document_page_path(document.signed_key, "#{index}.jpg")) %>
             <page-container id="<%= "page-#{document.uuid}-#{index}" %>" class="block before:border before:absolute before:top-0 before:bottom-0 before:left-0 before:right-0 before:rounded relative mb-4" style="container-type: size; aspect-ratio: <%= width = page.metadata['width'] %> / <%= height = page.metadata['height'] %>">
-              <img loading="lazy" src="<%= page.url %>" width="<%= width %>" class="rounded" height="<%= height %>">
+              <img loading="lazy" src="<%= page.url %>" width="<%= width %>" class="rounded" height="<%= height %>" alt="<%= "#{item['name']} - #{t('page')} #{index + 1}" %>">
               <div class="top-0 bottom-0 left-0 right-0 absolute">
                 <% document_annots_index[index]&.each do |annot| %>
                   <%= render 'submissions/annotation', annot: %>
@@ -144,7 +144,7 @@
         <% end %>
       </div>
     </div>
-    <div id="parties_view" class="hidden md:block relative w-full md:w-80 flex-none pt-0.5 pr-4 pl-0.5 overflow-auto space">
+    <div id="parties_view" class="hidden md:block relative w-full md:w-80 flex-none pt-0.5 pr-4 pl-0.5 overflow-auto space" tabindex="0">
       <% colors = %w[bg-red-500 bg-sky-500 bg-emerald-500 bg-yellow-300 bg-purple-600 bg-pink-500 bg-cyan-500 bg-orange-500 bg-lime-500 bg-indigo-500] %>
       <% submitter_fields_index = (@submission.template_fields || @submission.template.fields).group_by { |f| f['submitter_uuid'] } %>
       <% submitter_field_counters = Hash.new { 0 } %>
@@ -260,10 +260,10 @@
               <div dir="auto">
                 <% if field['type'].in?(%w[signature initials]) %>
                   <div class="w-full bg-base-300 py-1">
-                    <img class="object-contain mx-auto" style="max-height: <%= field['type'] == 'signature' ? 100 : 50 %>px" height="<%= attachments_index[value].metadata['height'] %>" width="<%= attachments_index[value].metadata['width'] %>" src="<%= attachments_index[value].url %>" loading="lazy">
+                    <img class="object-contain mx-auto" style="max-height: <%= field['type'] == 'signature' ? 100 : 50 %>px" height="<%= attachments_index[value].metadata['height'] %>" width="<%= attachments_index[value].metadata['width'] %>" src="<%= attachments_index[value].url %>" loading="lazy" alt="<%= field['name'] || field['title'] || field['type'] %>">
                   </div>
                 <% elsif field['type'].in?(['image', 'stamp', 'kba']) && attachments_index[value].image? %>
-                  <img class="object-contain mx-auto max-h-28" style="max-height: 200px" height="<%= attachments_index[value].metadata['height'] %>" width="<%= attachments_index[value].metadata['width'] %>" src="<%= attachments_index[value].url %>" loading="lazy">
+                  <img class="object-contain mx-auto max-h-28" style="max-height: 200px" height="<%= attachments_index[value].metadata['height'] %>" width="<%= attachments_index[value].metadata['width'] %>" src="<%= attachments_index[value].url %>" loading="lazy" alt="<%= field['name'] || field['title'] || field['type'] %>">
                 <% elsif field['type'].in?(['file', 'payment', 'image']) %>
                   <div class="flex flex-col justify-center">
                     <% Array.wrap(value).each do |val| %>
@@ -313,7 +313,7 @@
       </span>
     </label>
   </toggle-visible>
-</div>
+</main>
 <% unless request.headers['HTTP_X_TURBO'] %>
   <%= render 'scripts/autosize_field' %>
 <% end %>
diff --git a/app/views/submit_form/_decline_form.html.erb b/app/views/submit_form/_decline_form.html.erb
index 9795d39e..abf77ac0 100644
--- a/app/views/submit_form/_decline_form.html.erb
+++ b/app/views/submit_form/_decline_form.html.erb
@@ -1,8 +1,6 @@
 <%= form_for '', url: submit_form_decline_index_path(submitter.slug), method: :post do |f| %>
-  <div class="mt-4 text-center">
-    <%= t(:notify_the_sender_with_the_reason_you_declined) %>
-  </div>
-  <div class="form-control mt-2">
+  <div class="form-control mt-4">
+    <label class="label justify-center" for="reason"><%= t(:notify_the_sender_with_the_reason_you_declined) %></label>
     <%= f.text_area :reason, required: true, class: 'base-input w-full py-2 h-40', dir: 'auto', placeholder: t('provide_a_reason'), style: 'height: 200px', rows: '10' %>
   </div>
   <toggle-submit dir="auto" class="form-control mt-4">
diff --git a/app/views/submit_form/completed.html.erb b/app/views/submit_form/completed.html.erb
index 7b0b7d5b..85ec64ea 100644
--- a/app/views/submit_form/completed.html.erb
+++ b/app/views/submit_form/completed.html.erb
@@ -1,4 +1,4 @@
-<div class="max-w-md mx-auto px-2 mt-12 mb-4">
+<main class="max-w-md mx-auto px-2 mt-12 mb-4">
   <div class="space-y-6 mx-auto">
     <div class="space-y-6">
       <div class="flex items-center justify-center">
@@ -30,7 +30,7 @@
         <% end %>
       <% end %>
       <% if @submitter.completed_at > 30.minutes.ago || (current_user && current_user.account.submitters.exists?(id: @submitter.id)) %>
-        <download-button data-src="<%= submit_form_documents_path(@submitter.slug) %>" class="base-button w-full">
+        <download-button role="button" tabindex="0" aria-label="<%= t('download_documents') %>" data-src="<%= submit_form_documents_path(@submitter.slug) %>" class="base-button w-full">
           <span class="flex items-center justify-center space-x-2" data-target="download-button.defaultButton">
             <%= svg_icon('download', class: 'w-6 h-6') %>
             <span><%= t('download_documents') %></span>
@@ -50,5 +50,5 @@
       </toggle-submit>
     <% end %>
   </div>
-</div>
+</main>
 <%= render 'shared/attribution', link_path: '/start', account: @submitter.account %>
diff --git a/app/views/submit_form/email_2fa.html.erb b/app/views/submit_form/email_2fa.html.erb
index 74d2e52b..3f4ffec8 100644
--- a/app/views/submit_form/email_2fa.html.erb
+++ b/app/views/submit_form/email_2fa.html.erb
@@ -2,7 +2,7 @@
 <% I18n.with_locale(@submitter.account.locale) do %>
   <% content_for(:html_description, t('account_name_has_invited_you_to_fill_and_sign_documents_online_effortlessly_with_a_secure_fast_and_user_friendly_digital_document_signing_solution', account_name: @submitter.account.name)) %>
 <% end %>
-<div class="max-w-md mx-auto px-2 mt-12 mb-4">
+<main class="max-w-md mx-auto px-2 mt-12 mb-4">
   <div class="space-y-6 mx-auto">
     <div class="space-y-6">
       <div class="flex items-center justify-center">
@@ -46,7 +46,7 @@
                 <% end %>
               </span>
               <span>
-                <label for="resend_code" id="resend_label" class="link"><%= t(:re_send_email) %></label>
+                <button type="submit" form="resend_code_form" class="link"><%= t(:re_send_email) %></button>
               </span>
             </div>
           </div>
@@ -54,7 +54,7 @@
             <%= f.button button_title(title: t('submit')), class: 'base-button' %>
           </toggle-submit>
         <% end %>
-        <%= button_to t(:re_send_email), submit_form_email_2fa_path, params: { submitter_slug: @submitter.slug, resend: true }, method: :put, id: 'resend_code', class: 'hidden' %>
+        <%= button_to t(:re_send_email), submit_form_email_2fa_path, params: { submitter_slug: @submitter.slug, resend: true }, method: :put, form: { id: 'resend_code_form', class: 'hidden' } %>
       <% else %>
         <% if params[:t] %>
           <fetch-form data-onload="true">
@@ -69,4 +69,4 @@
       <div><%= t('please_contact_the_requester_to_specify_your_email_for_two_factor_authentication') %></div>
     <% end %>
   </div>
-</div>
+</main>
diff --git a/app/views/submit_form/show.html.erb b/app/views/submit_form/show.html.erb
index 949f6d1d..cb6aded2 100644
--- a/app/views/submit_form/show.html.erb
+++ b/app/views/submit_form/show.html.erb
@@ -8,28 +8,32 @@
 <% page_blob_struct = Struct.new(:url, :metadata) %>
 <% schema = Submissions.filtered_conditions_schema(@submitter.submission, values:, include_submitter_uuid: @submitter.uuid) %>
 <% font_scale = 1000.0 / PdfUtils::US_LETTER_W %>
-<% decline_modal_checkbox_uuid = nil %>
-<% delegate_modal_checkbox_uuid = nil %>
+<% decline_modal_id = nil %>
+<% delegate_modal_id = nil %>
 <div style="max-height: -webkit-fill-available;">
-  <div id="scrollbox">
+  <main id="scrollbox">
     <div class="mx-auto block pb-72" style="max-width: 1000px">
       <%# flex block w-full sticky top-0 z-50 space-x-2 items-center bg-yellow-100 p-2 border-y border-yellow-200 transition-transform duration-300 %>
       <%= local_assigns[:banner_html] || capture do %>
         <%= render('submit_form/banner') %>
-        <div id="signing_form_header" class="sticky min-[1230px]:static top-0 z-50 bg-base-100 py-2 px-2 flex items-center md:-mx-[8px]" style="margin-bottom: -16px">
-          <div class="text-xl md:text-2xl font-medium focus:text-clip" style="width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;">
+        <header id="signing_form_header" class="sticky min-[1230px]:static top-0 z-50 bg-base-100 py-2 px-2 flex items-center md:-mx-[8px]" style="margin-bottom: -16px">
+          <h1 class="text-xl md:text-2xl font-medium focus:text-clip" style="width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;">
             <%= @submitter.submission.name || @submitter.submission.template.name %>
-          </div>
+          </h1>
           <div class="flex items-center space-x-2" style="margin-left: 20px; flex-shrink: 0">
             <% if @form_configs[:with_delegate] %>
-              <label id="delegate_button" for="<%= delegate_modal_checkbox_uuid = SecureRandom.uuid %>" class="btn btn-sm !px-5"><%= t(:delegate) %></label>
+              <modal-button data-target="<%= delegate_modal_id = SecureRandom.uuid %>">
+                <button id="delegate_button" type="button" class="btn btn-sm !px-5"><%= t(:delegate) %></button>
+              </modal-button>
               <% if @form_configs[:with_decline] %>
-                <label id="decline_button" for="<%= decline_modal_checkbox_uuid = SecureRandom.uuid %>" class="btn btn-sm px-2" title="<%= t(:decline) %>">
-                  <%= svg_icon('x', class: 'w-5 h-5') %>
-                </label>
+                <modal-button data-target="<%= decline_modal_id = SecureRandom.uuid %>">
+                  <button id="decline_button" type="button" class="btn btn-sm px-2" aria-label="<%= t(:decline) %>">
+                    <%= svg_icon('x', class: 'w-5 h-5') %>
+                  </button>
+                </modal-button>
               <% end %>
               <% if @form_configs[:with_partial_download] %>
-                <download-button data-src="<%= submit_form_download_index_path(@submitter.slug) %>" class="btn btn-neutral text-white btn-sm px-2" title="<%= t('download') %>">
+                <download-button role="button" tabindex="0" data-src="<%= submit_form_download_index_path(@submitter.slug) %>" class="btn btn-neutral text-white btn-sm px-2" title="<%= t('download') %>" aria-label="<%= t('download') %>">
                   <span data-target="download-button.defaultButton">
                     <%= svg_icon('download', class: 'w-5 h-5') %>
                   </span>
@@ -40,10 +44,12 @@
               <% end %>
             <% else %>
               <% if @form_configs[:with_decline] %>
-                <label id="decline_button" for="<%= decline_modal_checkbox_uuid = SecureRandom.uuid %>" class="btn btn-sm !px-5"><%= t(:decline) %></label>
+                <modal-button data-target="<%= decline_modal_id = SecureRandom.uuid %>">
+                  <button id="decline_button" type="button" class="btn btn-sm !px-5"><%= t(:decline) %></button>
+                </modal-button>
               <% end %>
               <% if @form_configs[:with_partial_download] %>
-                <download-button data-src="<%= submit_form_download_index_path(@submitter.slug) %>" class="btn btn-neutral text-white btn-sm !px-4">
+                <download-button role="button" tabindex="0" data-src="<%= submit_form_download_index_path(@submitter.slug) %>" class="btn btn-neutral text-white btn-sm !px-4" aria-label="<%= t('download') %>">
                   <span class="flex items-center justify-center" data-target="download-button.defaultButton">
                     <%= svg_icon('download', class: 'w-6 h-6 inline md:hidden') %>
                     <span class="hidden md:inline"><%= t('download') %></span>
@@ -56,23 +62,27 @@
               <% end %>
             <% end %>
           </div>
-        </div>
+        </header>
         <scroll-buttons class="fixed right-5 top-2 hidden md:flex gap-1 z-50 ease-in-out opacity-0 -translate-y-10">
           <% if @form_configs[:with_delegate] %>
-            <label id="delegate_button" for="<%= delegate_modal_checkbox_uuid %>" class="btn btn-sm px-0">
-              <span class="min-[1366px]:inline hidden px-3">
-                <%= t(:delegate) %>
-              </span>
-              <span class="inline min-[1366px]:hidden px-2">
-                <%= svg_icon('user_share', class: 'w-5 h-5') %>
-              </span>
-            </label>
+            <modal-button data-target="<%= delegate_modal_id %>">
+              <button id="delegate_button_mobile" type="button" class="btn btn-sm px-0" aria-label="<%= t(:delegate) %>" tabindex="-1">
+                <span class="min-[1366px]:inline hidden px-3">
+                  <%= t(:delegate) %>
+                </span>
+                <span class="inline min-[1366px]:hidden px-2">
+                  <%= svg_icon('user_share', class: 'w-5 h-5') %>
+                </span>
+              </button>
+            </modal-button>
             <% if @form_configs[:with_decline] %>
-              <label id="decline_button" for="<%= decline_modal_checkbox_uuid %>" class="btn btn-sm px-2">
-                <%= svg_icon('x', class: 'w-5 h-5') %>
-              </label>
+              <modal-button data-target="<%= decline_modal_id %>">
+                <button id="decline_button_mobile" type="button" class="btn btn-sm px-2" aria-label="<%= t(:decline) %>" tabindex="-1">
+                  <%= svg_icon('x', class: 'w-5 h-5') %>
+                </button>
+              </modal-button>
             <% end %>
-            <download-button data-src="<%= submit_form_download_index_path(@submitter.slug) %>" class="btn btn-neutral text-white btn-sm px-2">
+            <download-button role="button" tabindex="-1" data-src="<%= submit_form_download_index_path(@submitter.slug) %>" class="btn btn-neutral text-white btn-sm px-2" aria-label="<%= t('download') %>">
               <span data-target="download-button.defaultButton">
                 <%= svg_icon('download', class: 'w-5 h-5') %>
               </span>
@@ -82,16 +92,18 @@
             </download-button>
           <% else %>
             <% if @form_configs[:with_decline] %>
-              <label id="decline_button" for="<%= decline_modal_checkbox_uuid %>" class="btn btn-sm px-0">
-                <span class="min-[1366px]:inline hidden px-3">
-                  <%= t(:decline) %>
-                </span>
-                <span class="inline min-[1366px]:hidden px-2">
-                  <%= svg_icon('x', class: 'w-5 h-5') %>
-                </span>
-              </label>
+              <modal-button data-target="<%= decline_modal_id %>">
+                <button id="decline_button_mobile" type="button" class="btn btn-sm px-0" aria-label="<%= t(:decline) %>" tabindex="-1">
+                  <span class="min-[1366px]:inline hidden px-3">
+                    <%= t(:decline) %>
+                  </span>
+                  <span class="inline min-[1366px]:hidden px-2">
+                    <%= svg_icon('x', class: 'w-5 h-5') %>
+                  </span>
+                </button>
+              </modal-button>
             <% end %>
-            <download-button data-src="<%= submit_form_download_index_path(@submitter.slug) %>" class="btn btn-neutral text-white btn-sm px-2">
+            <download-button role="button" tabindex="-1" data-src="<%= submit_form_download_index_path(@submitter.slug) %>" class="btn btn-neutral text-white btn-sm px-2" aria-label="<%= t('download') %>">
               <span data-target="download-button.defaultButton">
                 <%= svg_icon('download', class: 'w-5 h-5') %>
               </span>
@@ -111,7 +123,7 @@
           <% (document.metadata.dig('pdf', 'number_of_pages') || (document.preview_images.loaded? ? preview_images_index.size : document.preview_images.size)).times do |index| %>
             <% page = preview_images_index[index] || page_blob_struct.new(metadata: lazyload_metadata, url: preview_document_page_path(document.signed_key, "#{index}.jpg")) %>
             <page-container class="block relative my-4 shadow-md" style="container-type: size; aspect-ratio: <%= width = page.metadata['width'] %> / <%= height = page.metadata['height'] %>">
-              <img loading="lazy" src="<%= page.url %>" width="<%= width %>" height="<%= height %>">
+              <img loading="lazy" src="<%= page.url %>" width="<%= width %>" height="<%= height %>" alt="<%= "#{item['name']} - #{t('page')} #{index + 1}" %>">
               <div id="page-<%= [document.uuid, index].join('-') %>" class="top-0 bottom-0 left-0 right-0 absolute">
                 <% if annots = document_annots_index[index] %>
                   <%= render 'submit_form/annotations', annots: %>
@@ -140,7 +152,7 @@
         </div>
       <% end %>
     </div>
-  </div>
+  </main>
 </div>
 <div class="fixed bottom-0 w-full h-0 z-50">
   <div class="mx-auto" style="max-width: 1000px">
@@ -150,12 +162,12 @@
   </div>
 </div>
 <% if @form_configs[:with_decline] %>
-  <%= render 'shared/html_modal', title: t(:decline), uuid: decline_modal_checkbox_uuid do %>
+  <%= render 'shared/html_modal', title: t(:decline), uuid: decline_modal_id do %>
     <%= render 'submit_form/decline_form', submitter: @submitter %>
   <% end %>
 <% end %>
 <% if @form_configs[:with_delegate] %>
-  <%= render 'shared/html_modal', title: t(:delegate), uuid: delegate_modal_checkbox_uuid do %>
+  <%= render 'shared/html_modal', title: t(:delegate), uuid: delegate_modal_id do %>
     <%= render 'submit_form/delegate_form', submitter: @submitter %>
   <% end %>
 <% end %>
diff --git a/config/locales/i18n.yml b/config/locales/i18n.yml
index 3801b210..37e6f448 100644
--- a/config/locales/i18n.yml
+++ b/config/locales/i18n.yml
@@ -162,6 +162,7 @@ en: &en
   download_documents: Download documents
   downloading: Downloading
   download: Download
+  page: Page
   decline: Decline
   declined: Declined
   delegate: Delegate
@@ -1204,6 +1205,7 @@ es: &es
   download_documents: Descargar documentos
   downloading: Descargando
   download: Descargar
+  page: Página
   decline: Rechazar
   delegate: Delegar
   enter_the_email_address_of_the_person_you_want_to_delegate_to: Ingrese la dirección de correo electrónico de la persona a quien desea delegar
@@ -2243,6 +2245,7 @@ it: &it
   download_documents: Scarica documenti
   downloading: Scaricamento
   download: Scarica
+  page: Pagina
   decline: Rifiuta
   delegate: Delega
   enter_the_email_address_of_the_person_you_want_to_delegate_to: Inserisci l'indirizzo email della persona a cui vuoi delegare
@@ -3283,6 +3286,7 @@ fr: &fr
   download_documents: Télécharger les documents
   downloading: Téléchargement
   download: Télécharger
+  page: Page
   decline: Refuser
   delegate: Déléguer
   enter_the_email_address_of_the_person_you_want_to_delegate_to: Saisissez l'adresse e-mail de la personne à qui vous souhaitez déléguer
@@ -4319,6 +4323,7 @@ pt: &pt
   download_documents: Baixar documentos
   downloading: Baixando
   download: Baixar
+  page: Página
   decline: Recusar
   delegate: Delegar
   enter_the_email_address_of_the_person_you_want_to_delegate_to: Insira o endereço de e-mail da pessoa para quem deseja delegar
@@ -5358,6 +5363,7 @@ de: &de
   download_documents: Dokumente herunterladen
   downloading: Wird heruntergeladen
   download: Download
+  page: Seite
   decline: Ablehnen
   delegate: Delegieren
   enter_the_email_address_of_the_person_you_want_to_delegate_to: Geben Sie die E-Mail-Adresse der Person ein, an die Sie delegieren möchten
@@ -6261,6 +6267,7 @@ pl:
   view: Widok
   hi_there: Cześć,
   download: Pobierz
+  page: Strona
   decline: Odrzuć
   delegate: Deleguj
   enter_the_email_address_of_the_person_you_want_to_delegate_to: Wprowadź adres e-mail osoby, do której chcesz delegować
@@ -6361,6 +6368,7 @@ uk:
   view: Переглянути
   hi_there: Привіт,
   download: Завантажити
+  page: Сторінка
   decline: Відхилити
   delegate: Делегувати
   enter_the_email_address_of_the_person_you_want_to_delegate_to: Введіть адресу електронної пошти особи, якій ви хочете делегувати
@@ -6461,6 +6469,7 @@ cs:
   view: Zobrazit
   hi_there: Ahoj,
   download: Stáhnout
+  page: Stránka
   decline: Odmítnout
   delegate: Delegovat
   enter_the_email_address_of_the_person_you_want_to_delegate_to: Zadejte e-mailovou adresu osoby, na kterou chcete delegovat
@@ -6561,6 +6570,7 @@ he:
   view: תצוגה
   hi_there: שלום,
   download: הורד
+  page: עמוד
   decline: דחייה
   delegate: הואלה
   enter_the_email_address_of_the_person_you_want_to_delegate_to: הזן את כתובת הדוא"ל של האדם שברצונך להאציל אליו
@@ -6798,6 +6808,7 @@ nl: &nl
   download_documents: Documenten downloaden
   downloading: Downloaden
   download: Downloaden
+  page: Pagina
   decline: Weigeren
   delegate: Delegeren
   enter_the_email_address_of_the_person_you_want_to_delegate_to: Voer het e-mailadres in van de persoon aan wie u wilt delegeren
@@ -7697,6 +7708,7 @@ ar:
   view: عرض
   hi_there: مرحبا,
   download: تحميل
+  page: صفحة
   decline: رفض
   delegate: تفويض
   enter_the_email_address_of_the_person_you_want_to_delegate_to: أدخل عنوان البريد الإلكتروني للشخص الذي تريد التفويض إليه
@@ -7797,6 +7809,7 @@ ko:
   view: 보기
   hi_there: 안녕하세요,
   download: 다운로드
+  page: 페이지
   decline: 거절
   delegate: 위임
   enter_the_email_address_of_the_person_you_want_to_delegate_to: 위임할 사람의 이메일 주소를 입력하세요
@@ -7897,6 +7910,7 @@ ja:
   view: 表示
   hi_there: こんにちは
   download: ダウンロード
+  page: ページ
   decline: 辞退
   delegate: 委任
   enter_the_email_address_of_the_person_you_want_to_delegate_to: 委任したい人のメールアドレスを入力してください