diff --git a/public/400.html b/public/400.html
new file mode 100644
index 000000000..282dbc8cc
--- /dev/null
+++ b/public/400.html
@@ -0,0 +1,114 @@
+<!doctype html>
+
+<html lang="en">
+
+  <head>
+
+    <title>The server cannot process the request due to a client error (400 Bad Request)</title>
+
+    <meta charset="utf-8">
+    <meta name="viewport" content="initial-scale=1, width=device-width">
+    <meta name="robots" content="noindex, nofollow">
+
+    <style>
+
+      *, *::before, *::after {
+        box-sizing: border-box;
+      }
+
+      * {
+        margin: 0;
+      }
+
+      html {
+        font-size: 16px;
+      }
+
+      body {
+        background: #FFF;
+        color: #261B23;
+        display: grid;
+        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Aptos, Roboto, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+        font-size: clamp(1rem, 2.5vw, 2rem);
+        -webkit-font-smoothing: antialiased;
+        font-style: normal;
+        font-weight: 400;
+        letter-spacing: -0.0025em;
+        line-height: 1.4;
+        min-height: 100vh;
+        place-items: center;
+        text-rendering: optimizeLegibility;
+        -webkit-text-size-adjust: 100%;
+      }
+
+      a {
+        color: inherit;
+        font-weight: 700;
+        text-decoration: underline;
+        text-underline-offset: 0.0925em;
+      }
+
+      b, strong {
+        font-weight: 700;
+      }
+
+      i, em {
+        font-style: italic;
+      }
+
+      main {
+        display: grid;
+        gap: 1em;
+        padding: 2em;
+        place-items: center;
+        text-align: center;
+      }
+
+      main header {
+        width: min(100%, 12em);
+      }
+
+      main header svg {
+        height: auto;
+        max-width: 100%;
+        width: 100%;
+      }
+
+      main article {
+        width: min(100%, 30em);
+      }
+
+      main article p {
+        font-size: 75%;
+      }
+
+      main article br {
+
+        display: none;
+
+        @media(min-width: 48em) {
+          display: inline;
+        }
+
+      }
+
+    </style>
+
+  </head>
+
+  <body>
+
+    <!-- This file lives in public/400.html -->
+
+    <main>
+      <header>
+        <svg height="172" viewBox="0 0 480 172" width="480" xmlns="http://www.w3.org/2000/svg"><path d="m124.48 3.00509-45.6889 100.02991h26.2239v-28.1168h38.119v28.1168h21.628v35.145h-21.628v30.82h-37.308v-30.82h-72.1833v-31.901l50.2851-103.27391zm115.583 168.69891c-40.822 0-64.884-35.146-64.884-85.7015 0-50.5554 24.062-85.700907 64.884-85.700907 40.823 0 64.884 35.145507 64.884 85.700907 0 50.5555-24.061 85.7015-64.884 85.7015zm0-133.2831c-17.572 0-22.709 21.8984-22.709 47.5816 0 25.6835 5.137 47.5815 22.709 47.5815 17.303 0 22.71-21.898 22.71-47.5815 0-25.6832-5.407-47.5816-22.71-47.5816zm140.456 133.2831c-40.823 0-64.884-35.146-64.884-85.7015 0-50.5554 24.061-85.700907 64.884-85.700907 40.822 0 64.884 35.145507 64.884 85.700907 0 50.5555-24.062 85.7015-64.884 85.7015zm0-133.2831c-17.573 0-22.71 21.8984-22.71 47.5816 0 25.6835 5.137 47.5815 22.71 47.5815 17.302 0 22.709-21.898 22.709-47.5815 0-25.6832-5.407-47.5816-22.709-47.5816z" fill="#f0eff0"/><path d="m123.606 85.4445c3.212 1.0523 5.538 4.2089 5.538 8.0301 0 6.1472-4.209 9.5254-11.298 9.5254h-15.617v-34.0033h14.565c7.089 0 11.353 3.1566 11.353 9.2484 0 3.6551-2.049 6.3134-4.541 7.1994zm-12.904-2.9905h5.095c2.603 0 3.988-.9968 3.988-3.1013 0-2.1044-1.385-3.0459-3.988-3.0459h-5.095zm0 6.6456v6.5902h5.981c2.492 0 3.877-1.3291 3.877-3.2674 0-2.049-1.385-3.3228-3.877-3.3228zm43.786 13.9004h-8.362v-1.274c-.831.831-3.323 1.717-5.981 1.717-4.929 0-9.083-2.769-9.083-8.0301 0-4.818 4.154-7.9193 9.581-7.9193 2.049 0 4.486.6646 5.483 1.3845v-1.606c0-1.606-.942-2.9905-3.046-2.9905-1.606 0-2.548.7199-2.935 1.8275h-8.197c.72-4.8181 4.985-8.6393 11.409-8.6393 7.088 0 11.131 3.7659 11.131 10.2453zm-8.362-6.9779v-1.4399c-.554-1.0522-2.049-1.7167-3.655-1.7167-1.717 0-3.434.7199-3.434 2.3813 0 1.7168 1.717 2.4367 3.434 2.4367 1.606 0 3.101-.6645 3.655-1.6614zm27.996 6.9779v-1.994c-1.163 1.329-3.599 2.548-6.147 2.548-7.199 0-11.131-5.8151-11.131-13.0145s3.932-13.0143 11.131-13.0143c2.548 0 4.984 1.2184 6.147 2.5475v-13.0697h8.695v35.997zm0-9.1931v-6.5902c-.664-1.3291-2.159-2.326-3.821-2.326-2.99 0-4.763 2.4368-4.763 5.6488s1.773 5.5934 4.763 5.5934c1.717 0 3.157-.9415 3.821-2.326zm35.471-2.049h-3.101v11.2421h-8.806v-34.0033h15.285c7.31 0 12.35 4.1535 12.35 11.5744 0 5.1503-2.603 8.6947-6.757 10.2453l7.975 12.1836h-9.858zm-3.101-15.2849v8.1962h5.538c3.156 0 4.596-1.606 4.596-4.0981s-1.44-4.0981-4.596-4.0981zm36.957 17.8323h8.03c-.886 5.7597-5.206 9.2487-11.685 9.2487-7.643 0-12.682-5.2613-12.682-13.0145 0-7.6978 5.316-13.0143 12.515-13.0143 7.643 0 11.962 5.095 11.962 12.5159v2.1598h-16.115c.277 2.9905 1.827 4.5965 4.32 4.5965 1.772 0 3.156-.7753 3.655-2.4921zm-3.822-10.0237c-2.049 0-3.433 1.2737-3.987 3.5997h7.532c-.111-2.0491-1.385-3.5997-3.545-3.5997zm30.98 27.5234v-10.799c-1.163 1.329-3.6 2.548-6.147 2.548-7.2 0-11.132-5.9259-11.132-13.0145 0-7.144 3.932-13.0143 11.132-13.0143 2.547 0 4.984 1.2184 6.147 2.5475v-1.9937h8.695v33.726zm0-17.9981v-6.5902c-.665-1.3291-2.105-2.326-3.821-2.326-2.991 0-4.763 2.4368-4.763 5.6488s1.772 5.5934 4.763 5.5934c1.661 0 3.156-.9415 3.821-2.326zm36.789-15.7279v24.921h-8.695v-2.16c-1.329 1.551-3.821 2.714-6.646 2.714-5.482 0-8.75-3.5999-8.75-9.1379v-16.3371h8.64v14.288c0 2.1045.996 3.5997 3.212 3.5997 1.606 0 3.101-1.0522 3.544-2.769v-15.1187zm19.084 16.2263h8.03c-.886 5.7597-5.206 9.2487-11.685 9.2487-7.643 0-12.682-5.2613-12.682-13.0145 0-7.6978 5.316-13.0143 12.515-13.0143 7.643 0 11.963 5.095 11.963 12.5159v2.1598h-16.116c.277 2.9905 1.828 4.5965 4.32 4.5965 1.772 0 3.156-.7753 3.655-2.4921zm-3.822-10.0237c-2.049 0-3.433 1.2737-3.987 3.5997h7.532c-.111-2.0491-1.385-3.5997-3.545-3.5997zm13.428 11.0206h8.474c.387 1.3845 1.606 2.1598 3.156 2.1598 1.44 0 2.548-.5538 2.548-1.7168 0-.9414-.72-1.2737-1.939-1.5506l-4.873-.9969c-4.154-.886-6.867-2.8797-6.867-7.2547 0-5.3165 4.762-8.4178 10.633-8.4178 6.812 0 10.522 3.1567 11.297 8.0855h-8.03c-.277-1.0522-1.052-1.9937-3.046-1.9937-1.273 0-2.326.5538-2.326 1.6614 0 .7753.554 1.163 1.717 1.3845l4.929 1.163c4.541 1.0522 6.978 3.4335 6.978 7.4763 0 5.3168-4.818 8.2518-10.91 8.2518-6.369 0-10.965-2.88-11.741-8.2518zm27.538-.8861v-9.5807h-3.655v-6.7564h3.655v-6.8671h8.584v6.8671h5.205v6.7564h-5.205v8.307c0 1.9383.941 2.769 2.658 2.769.941 0 1.993-.2216 2.769-.5538v7.3654c-.997.443-2.88.775-4.818.775-5.871 0-9.193-2.769-9.193-9.0819z" fill="#d30001"/></svg>
+      </header>
+      <article>
+        <p><strong>The server cannot process the request due to a client error.</strong> Please check the request and try again. If you’re the application owner check the logs for more information.</p>
+      </article>
+    </main>
+
+  </body>
+
+</html>
diff --git a/public/422.html b/public/422.html
index c08eac0d1..8bcf06014 100644
--- a/public/422.html
+++ b/public/422.html
@@ -1,67 +1,114 @@
-<!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;
-  }
+<!doctype html>
 
-  .rails-default-error-page div.dialog {
-    width: 95%;
-    max-width: 33em;
-    margin: 4em auto 0;
-  }
+<html lang="en">
 
-  .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);
-  }
+  <head>
 
-  .rails-default-error-page h1 {
-    font-size: 100%;
-    color: #730E15;
-    line-height: 1.5em;
-  }
+    <title>The change you wanted was rejected (422 Unprocessable Entity)</title>
 
-  .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>
+    <meta charset="utf-8">
+    <meta name="viewport" content="initial-scale=1, width=device-width">
+    <meta name="robots" content="noindex, nofollow">
+
+    <style>
+
+      *, *::before, *::after {
+        box-sizing: border-box;
+      }
+
+      * {
+        margin: 0;
+      }
+
+      html {
+        font-size: 16px;
+      }
+
+      body {
+        background: #FFF;
+        color: #261B23;
+        display: grid;
+        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Aptos, Roboto, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+        font-size: clamp(1rem, 2.5vw, 2rem);
+        -webkit-font-smoothing: antialiased;
+        font-style: normal;
+        font-weight: 400;
+        letter-spacing: -0.0025em;
+        line-height: 1.4;
+        min-height: 100vh;
+        place-items: center;
+        text-rendering: optimizeLegibility;
+        -webkit-text-size-adjust: 100%;
+      }
+
+      a {
+        color: inherit;
+        font-weight: 700;
+        text-decoration: underline;
+        text-underline-offset: 0.0925em;
+      }
+
+      b, strong {
+        font-weight: 700;
+      }
+
+      i, em {
+        font-style: italic;
+      }
+
+      main {
+        display: grid;
+        gap: 1em;
+        padding: 2em;
+        place-items: center;
+        text-align: center;
+      }
+
+      main header {
+        width: min(100%, 12em);
+      }
+
+      main header svg {
+        height: auto;
+        max-width: 100%;
+        width: 100%;
+      }
+
+      main article {
+        width: min(100%, 30em);
+      }
+
+      main article p {
+        font-size: 75%;
+      }
+
+      main article br {
+
+        display: none;
+
+        @media(min-width: 48em) {
+          display: inline;
+        }
+
+      }
+
+    </style>
+
+  </head>
+
+  <body>
+
+    <!-- This file lives in public/422.html -->
+
+    <main>
+      <header>
+        <svg height="172" viewBox="0 0 480 172" width="480" xmlns="http://www.w3.org/2000/svg"><path d="m124.48 3.00509-45.6889 100.02991h26.2239v-28.1168h38.119v28.1168h21.628v35.145h-21.628v30.82h-37.308v-30.82h-72.1833v-31.901l50.2851-103.27391zm130.453 51.63681c0-8.9215-6.218-15.4099-15.681-15.4099-10.273 0-15.95 7.5698-16.491 16.4913h-44.608c3.244-30.8199 25.683-55.421707 61.099-55.421707 36.498 0 59.477 20.816907 59.477 51.636807 0 21.3577-14.869 36.7676-31.901 52.7186l-27.305 27.035h59.747v37.308h-120.306v-27.846l57.044-56.7736c11.084-11.8954 18.925-20.0059 18.925-29.7385zm140.455 0c0-8.9215-6.218-15.4099-15.68-15.4099-10.274 0-15.951 7.5698-16.492 16.4913h-44.608c3.245-30.8199 25.684-55.421707 61.1-55.421707 36.497 0 59.477 20.816907 59.477 51.636807 0 21.3577-14.87 36.7676-31.902 52.7186l-27.305 27.035h59.747v37.308h-120.305v-27.846l57.043-56.7736c11.085-11.8954 18.925-20.0059 18.925-29.7385z" fill="#f0eff0"/><path d="m19.3936 103.554c-8.9715 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+      </header>
+      <article>
+        <p><strong>The change you wanted was rejected.</strong> Maybe you tried to change something you didn’t have access to. If you’re the application owner check the logs for more information.</p>
+      </article>
+    </main>
+
+  </body>
 
-<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>
-    </div>
-    <p>If you are the application owner check the logs for more information.</p>
-  </div>
-</body>
 </html>
diff --git a/public/500.html b/public/500.html
index 78a030af2..d77718c3a 100644
--- a/public/500.html
+++ b/public/500.html
@@ -1,66 +1,114 @@
-<!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;
-  }
+<!doctype html>
 
-  .rails-default-error-page div.dialog {
-    width: 95%;
-    max-width: 33em;
-    margin: 4em auto 0;
-  }
+<html lang="en">
 
-  .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);
-  }
+  <head>
 
-  .rails-default-error-page h1 {
-    font-size: 100%;
-    color: #730E15;
-    line-height: 1.5em;
-  }
+    <title>We’re sorry, but something went wrong (500 Internal Server Error)</title>
 
-  .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>
+    <meta charset="utf-8">
+    <meta name="viewport" content="initial-scale=1, width=device-width">
+    <meta name="robots" content="noindex, nofollow">
+
+    <style>
+
+      *, *::before, *::after {
+        box-sizing: border-box;
+      }
+
+      * {
+        margin: 0;
+      }
+
+      html {
+        font-size: 16px;
+      }
+
+      body {
+        background: #FFF;
+        color: #261B23;
+        display: grid;
+        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Aptos, Roboto, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+        font-size: clamp(1rem, 2.5vw, 2rem);
+        -webkit-font-smoothing: antialiased;
+        font-style: normal;
+        font-weight: 400;
+        letter-spacing: -0.0025em;
+        line-height: 1.4;
+        min-height: 100vh;
+        place-items: center;
+        text-rendering: optimizeLegibility;
+        -webkit-text-size-adjust: 100%;
+      }
+
+      a {
+        color: inherit;
+        font-weight: 700;
+        text-decoration: underline;
+        text-underline-offset: 0.0925em;
+      }
+
+      b, strong {
+        font-weight: 700;
+      }
+
+      i, em {
+        font-style: italic;
+      }
+
+      main {
+        display: grid;
+        gap: 1em;
+        padding: 2em;
+        place-items: center;
+        text-align: center;
+      }
+
+      main header {
+        width: min(100%, 12em);
+      }
+
+      main header svg {
+        height: auto;
+        max-width: 100%;
+        width: 100%;
+      }
+
+      main article {
+        width: min(100%, 30em);
+      }
+
+      main article p {
+        font-size: 75%;
+      }
+
+      main article br {
+
+        display: none;
+
+        @media(min-width: 48em) {
+          display: inline;
+        }
+
+      }
+
+    </style>
+
+  </head>
+
+  <body>
+
+    <!-- This file lives in public/500.html -->
+
+    <main>
+      <header>
+        <svg height="172" viewBox="0 0 480 172" width="480" xmlns="http://www.w3.org/2000/svg"><path d="m101.23 93.8427c-8.1103 0-15.4098 3.7849-19.7354 8.3813h-36.2269v-99.21891h103.8143v37.03791h-68.3984v24.8722c5.1366-2.7035 15.1396-5.9477 24.6014-5.9477 35.146 0 56.233 22.7094 56.233 55.4215 0 34.605-23.791 57.315-60.558 57.315-37.8492 0-61.64-22.169-63.8028-55.963h42.9857c1.0814 10.814 9.1919 19.195 21.6281 19.195 11.355 0 19.465-8.381 19.465-20.547 0-11.625-7.299-20.5463-20.006-20.5463zm138.833 77.8613c-40.822 0-64.884-35.146-64.884-85.7015 0-50.5554 24.062-85.700907 64.884-85.700907 40.823 0 64.884 35.145507 64.884 85.700907 0 50.5555-24.061 85.7015-64.884 85.7015zm0-133.2831c-17.572 0-22.709 21.8984-22.709 47.5816 0 25.6835 5.137 47.5815 22.709 47.5815 17.303 0 22.71-21.898 22.71-47.5815 0-25.6832-5.407-47.5816-22.71-47.5816zm140.456 133.2831c-40.823 0-64.884-35.146-64.884-85.7015 0-50.5554 24.061-85.700907 64.884-85.700907 40.822 0 64.884 35.145507 64.884 85.700907 0 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+      </header>
+      <article>
+        <p><strong>We’re sorry, but something went wrong.</strong><br> If you’re the application owner check the logs for more information.</p>
+      </article>
+    </main>
+
+  </body>
 
-<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>
-    </div>
-    <p>If you are the application owner check the logs for more information.</p>
-  </div>
-</body>
 </html>
