diff --git a/public/404.html b/public/404.html
index 2be3af26..34cf7e80 100644
--- a/public/404.html
+++ b/public/404.html
@@ -1,67 +1,66 @@
 <!DOCTYPE html>
 <html>
-<head>
-  <title>The page you were looking for doesn't exist (404)</title>
-  <meta name="viewport" content="width=device-width,initial-scale=1">
-  <style>
-  .rails-default-error-page {
-    background-color: #EFEFEF;
-    color: #2E2F30;
-    text-align: center;
-    font-family: arial, sans-serif;
-    margin: 0;
-  }
+  <head>
+    <title>The page you were looking for doesn't exist (404)</title>
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <style>
+    .error-page {
+      background-color: #FAF7F4;
+      color: #2E2F30;
+      text-align: center;
+      font-family: arial, sans-serif;
+      margin: 0;
+    }
 
-  .rails-default-error-page div.dialog {
-    width: 95%;
-    max-width: 33em;
-    margin: 4em auto 0;
-  }
+    .error-page h1 {
+      font-weight: 700;
+      font-size: 3em;
+      color: #291434;
+      margin: 0 0 0.1em;
+    }
 
-  .rails-default-error-page div.dialog > div {
-    border: 1px solid #CCC;
-    border-right-color: #999;
-    border-left-color: #999;
-    border-bottom-color: #BBB;
-    border-top: #B00100 solid 4px;
-    border-top-left-radius: 9px;
-    border-top-right-radius: 9px;
-    background-color: white;
-    padding: 7px 12% 0;
-    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
-  }
+    .error-page h2 {
+      font-weight: 700;
+      font-size: 10em;
+      color: #3BBFF7;
+      margin: 0 0 0.1em;
+    }
 
-  .rails-default-error-page h1 {
-    font-size: 100%;
-    color: #730E15;
-    line-height: 1.5em;
-  }
+    .error-page h3 {
+      font-weight: 600;
+      font-size: 1.75em;
+      color: #291434;
+      margin: 0.5em 0;
+    }
 
-  .rails-default-error-page div.dialog > p {
-    margin: 0 0 1em;
-    padding: 1em;
-    background-color: #F7F7F7;
-    border: 1px solid #CCC;
-    border-right-color: #999;
-    border-left-color: #999;
-    border-bottom-color: #999;
-    border-bottom-left-radius: 4px;
-    border-bottom-right-radius: 4px;
-    border-top-color: #DADADA;
-    color: #666;
-    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
-  }
-  </style>
-</head>
+    .error-page a.btn {
+      display: inline-block;
+      width: auto;
+      background-color: #291434;
+      padding: 1em 1.5em;
+      border-radius: 25px;
+      color: #ffffff;
+      text-decoration: none;
+      margin: 1em 0;
+      text-transform: uppercase;
+    }
 
-<body class="rails-default-error-page">
-  <!-- This file lives in public/404.html -->
-  <div class="dialog">
-    <div>
-      <h1>The page you were looking for doesn't exist.</h1>
-      <p>You may have mistyped the address or the page may have moved.</p>
+    .error-page div.dialog {
+      width: 95%;
+      max-width: 33em;
+      margin: 6em auto 0;
+    }
+    </style>
+  </head>
+
+  <body class="error-page">
+    <div class="dialog">
+      <div>
+        <h1>DocuSeal</h1>
+        <h2>404</h2>
+        <h3>Sorry, we couldn't find this page.</h3>
+      </div>
+      <a rel="noopener noreferrer" href="/" class="btn">Back to homepage</a>
     </div>
-    <p>If you are the application owner check the logs for more information.</p>
-  </div>
-</body>
+  </body>
 </html>
diff --git a/public/422.html b/public/422.html
index c08eac0d..0e44bb63 100644
--- a/public/422.html
+++ b/public/422.html
@@ -1,67 +1,66 @@
 <!DOCTYPE html>
 <html>
-<head>
-  <title>The change you wanted was rejected (422)</title>
-  <meta name="viewport" content="width=device-width,initial-scale=1">
-  <style>
-  .rails-default-error-page {
-    background-color: #EFEFEF;
-    color: #2E2F30;
-    text-align: center;
-    font-family: arial, sans-serif;
-    margin: 0;
-  }
+  <head>
+    <title>The change you wanted was rejected (422)</title>
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <style>
+    .error-page {
+      background-color: #FAF7F4;
+      color: #2E2F30;
+      text-align: center;
+      font-family: arial, sans-serif;
+      margin: 0;
+    }
 
-  .rails-default-error-page div.dialog {
-    width: 95%;
-    max-width: 33em;
-    margin: 4em auto 0;
-  }
+    .error-page h1 {
+      font-weight: 700;
+      font-size: 3em;
+      color: #291434;
+      margin: 0 0 0.1em;
+    }
 
-  .rails-default-error-page div.dialog > div {
-    border: 1px solid #CCC;
-    border-right-color: #999;
-    border-left-color: #999;
-    border-bottom-color: #BBB;
-    border-top: #B00100 solid 4px;
-    border-top-left-radius: 9px;
-    border-top-right-radius: 9px;
-    background-color: white;
-    padding: 7px 12% 0;
-    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
-  }
+    .error-page h2 {
+      font-weight: 700;
+      font-size: 10em;
+      color: #FABE22;
+      margin: 0 0 0.1em;
+    }
 
-  .rails-default-error-page h1 {
-    font-size: 100%;
-    color: #730E15;
-    line-height: 1.5em;
-  }
+    .error-page h3 {
+      font-weight: 600;
+      font-size: 1.75em;
+      color: #291434;
+      margin: 0.5em 0;
+    }
 
-  .rails-default-error-page div.dialog > p {
-    margin: 0 0 1em;
-    padding: 1em;
-    background-color: #F7F7F7;
-    border: 1px solid #CCC;
-    border-right-color: #999;
-    border-left-color: #999;
-    border-bottom-color: #999;
-    border-bottom-left-radius: 4px;
-    border-bottom-right-radius: 4px;
-    border-top-color: #DADADA;
-    color: #666;
-    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
-  }
-  </style>
-</head>
+    .error-page a.btn {
+      display: inline-block;
+      width: auto;
+      background-color: #291434;
+      padding: 1em 1.5em;
+      border-radius: 25px;
+      color: #ffffff;
+      text-decoration: none;
+      margin: 1em 0;
+      text-transform: uppercase;
+    }
 
-<body class="rails-default-error-page">
-  <!-- This file lives in public/422.html -->
-  <div class="dialog">
-    <div>
-      <h1>The change you wanted was rejected.</h1>
-      <p>Maybe you tried to change something you didn't have access to.</p>
+    .error-page div.dialog {
+      width: 95%;
+      max-width: 33em;
+      margin: 6em auto 0;
+    }
+    </style>
+  </head>
+
+  <body class="error-page">
+    <div class="dialog">
+      <div>
+        <h1>DocuSeal</h1>
+        <h2>422</h2>
+        <h3>You're not allowed to access this page</h3>
+      </div>
+      <a rel="noopener noreferrer" href="/" class="btn">Back to homepage</a>
     </div>
-    <p>If you are the application owner check the logs for more information.</p>
-  </div>
-</body>
+  </body>
 </html>
diff --git a/public/500.html b/public/500.html
index 78a030af..9f7dd8e1 100644
--- a/public/500.html
+++ b/public/500.html
@@ -1,66 +1,66 @@
 <!DOCTYPE html>
 <html>
-<head>
-  <title>We're sorry, but something went wrong (500)</title>
-  <meta name="viewport" content="width=device-width,initial-scale=1">
-  <style>
-  .rails-default-error-page {
-    background-color: #EFEFEF;
-    color: #2E2F30;
-    text-align: center;
-    font-family: arial, sans-serif;
-    margin: 0;
-  }
+  <head>
+    <title>We're sorry, but something went wrong (500)</title>
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <style>
+    .error-page {
+      background-color: #FAF7F4;
+      color: #2E2F30;
+      text-align: center;
+      font-family: arial, sans-serif;
+      margin: 0;
+    }
 
-  .rails-default-error-page div.dialog {
-    width: 95%;
-    max-width: 33em;
-    margin: 4em auto 0;
-  }
+    .error-page h1 {
+      font-weight: 700;
+      font-size: 3em;
+      color: #291434;
+      margin: 0 0 0.1em;
+    }
 
-  .rails-default-error-page div.dialog > div {
-    border: 1px solid #CCC;
-    border-right-color: #999;
-    border-left-color: #999;
-    border-bottom-color: #BBB;
-    border-top: #B00100 solid 4px;
-    border-top-left-radius: 9px;
-    border-top-right-radius: 9px;
-    background-color: white;
-    padding: 7px 12% 0;
-    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
-  }
+    .error-page h2 {
+      font-weight: 700;
+      font-size: 10em;
+      color: #F97272;
+      margin: 0 0 0.1em;
+    }
 
-  .rails-default-error-page h1 {
-    font-size: 100%;
-    color: #730E15;
-    line-height: 1.5em;
-  }
+    .error-page h3 {
+      font-weight: 600;
+      font-size: 1.75em;
+      color: #291434;
+      margin: 0.5em 0;
+    }
 
-  .rails-default-error-page div.dialog > p {
-    margin: 0 0 1em;
-    padding: 1em;
-    background-color: #F7F7F7;
-    border: 1px solid #CCC;
-    border-right-color: #999;
-    border-left-color: #999;
-    border-bottom-color: #999;
-    border-bottom-left-radius: 4px;
-    border-bottom-right-radius: 4px;
-    border-top-color: #DADADA;
-    color: #666;
-    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);
-  }
-  </style>
-</head>
+    .error-page a.btn {
+      display: inline-block;
+      width: auto;
+      background-color: #291434;
+      padding: 1em 1.5em;
+      border-radius: 25px;
+      color: #ffffff;
+      text-decoration: none;
+      margin: 1em 0;
+      text-transform: uppercase;
+    }
 
-<body class="rails-default-error-page">
-  <!-- This file lives in public/500.html -->
-  <div class="dialog">
-    <div>
-      <h1>We're sorry, but something went wrong.</h1>
+    .error-page div.dialog {
+      width: 95%;
+      max-width: 33em;
+      margin: 6em auto 0;
+    }
+    </style>
+  </head>
+
+  <body class="error-page">
+    <div class="dialog">
+      <div>
+        <h1>DocuSeal</h1>
+        <h2>500</h2>
+        <h3>We're sorry, but something went wrong</h3>
+      </div>
+      <a rel="noopener noreferrer" href="/" class="btn">Back to homepage</a>
     </div>
-    <p>If you are the application owner check the logs for more information.</p>
-  </div>
-</body>
+  </body>
 </html>
