Fix domain blocks on about page not working well on small screens in web UI (#20391)

app/javascript/mastodon/features/about/index.js

@@ -183,25 +183,18 @@ class About extends React.PureComponent {
               <>
                 <p><FormattedMessage id='about.domain_blocks.preamble' defaultMessage='Mastodon generally allows you to view content from and interact with users from any other server in the fediverse. These are the exceptions that have been made on this particular server.' /></p>
 
-                <table className='about__domain-blocks'>
-                  <thead>
-                    <tr>
-                      <th><FormattedMessage id='about.domain_blocks.domain' defaultMessage='Domain' /></th>
-                      <th><FormattedMessage id='about.domain_blocks.severity' defaultMessage='Severity' /></th>
-                      <th><FormattedMessage id='about.domain_blocks.comment' defaultMessage='Reason' /></th>
-                    </tr>
-                  </thead>
-
-                  <tbody>
-                    {domainBlocks.get('items').map(block => (
-                      <tr key={block.get('domain')}>
-                        <td><span title={`SHA-256: ${block.get('digest')}`}>{block.get('domain')}</span></td>
-                        <td><span title={intl.formatMessage(severityMessages[block.get('severity')].explanation)}>{intl.formatMessage(severityMessages[block.get('severity')].title)}</span></td>
-                        <td>{block.get('comment')}</td>
-                      </tr>
-                    ))}
-                  </tbody>
-                </table>
+                <div className='about__domain-blocks'>
+                  {domainBlocks.get('items').map(block => (
+                    <div className='about__domain-blocks__domain' key={block.get('domain')}>
+                      <div className='about__domain-blocks__domain__header'>
+                        <h6><span title={`SHA-256: ${block.get('digest')}`}>{block.get('domain')}</span></h6>
+                        <span className='about__domain-blocks__domain__type' title={intl.formatMessage(severityMessages[block.get('severity')].explanation)}>{intl.formatMessage(severityMessages[block.get('severity')].title)}</span>
+                      </div>
+
+                      <p>{block.get('comment').length > 0 ? block.get('comment') : <FormattedMessage id='about.domain_blocks.no_reason_available' defaultMessage='Reason not available' />}</p>
+                    </div>
+                  ))}
+                </div>
               </>
             ) : (
               <p><FormattedMessage id='about.not_available' defaultMessage='This information has not been made available on this server.' /></p>

app/javascript/styles/mastodon/components.scss

@@ -8557,28 +8557,45 @@ noscript {
 
   &__domain-blocks {
     margin-top: 30px;
-    width: 100%;
-    border-collapse: collapse;
-    break-inside: auto;
+    background: darken($ui-base-color, 4%);
+    border: 1px solid lighten($ui-base-color, 4%);
+    border-radius: 4px;
 
-    th {
-      text-align: left;
-      font-weight: 500;
+    &__domain {
+      border-bottom: 1px solid lighten($ui-base-color, 4%);
+      padding: 10px;
+      font-size: 15px;
       color: $darker-text-color;
-    }
 
-    thead tr,
-    tbody tr {
-      border-bottom: 1px solid lighten($ui-base-color, 8%);
-    }
+      &:nth-child(2n) {
+        background: darken($ui-base-color, 2%);
+      }
 
-    tbody tr:last-child {
-      border-bottom: 0;
-    }
+      &:last-child {
+        border-bottom: 0;
+      }
+
+      &__header {
+        display: flex;
+        gap: 10px;
+        justify-content: space-between;
+        font-weight: 500;
+        margin-bottom: 4px;
+      }
 
-    th,
-    td {
-      padding: 8px;
+      h6 {
+        color: $secondary-text-color;
+        font-size: inherit;
+        white-space: nowrap;
+        overflow: hidden;
+        text-overflow: ellipsis;
+      }
+
+      p {
+        white-space: nowrap;
+        overflow: hidden;
+        text-overflow: ellipsis;
+      }
     }
   }
 }