diff --git a/FAQ.md b/FAQ.md
index 4bf10c1cab..c58b32860a 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -6026,6 +6026,8 @@ Some email providers known to support DANE for client-to-server traffic:
 * [Freenet.de](https://email.freenet.de/)
 * [Mailbox.org](https://mailbox.org/)
 * [Posteo.de](https://posteo.de/)
+* [web.de](https://web.de/email/)
+* [GMX](https://www.gmx.net/mail)
 
 This is not a complete and exhaustive list.
 
diff --git a/index.html b/index.html
index 603010d37b..f807a15098 100644
--- a/index.html
+++ b/index.html
@@ -8,10 +8,19 @@
   <style>
     code{white-space: pre-wrap;}
     span.smallcaps{font-variant: small-caps;}
-    span.underline{text-decoration: underline;}
-    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.columns{display: flex; gap: min(4vw, 1.5em);}
+    div.column{flex: auto; overflow-x: auto;}
     div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
-    ul.task-list{list-style: none;}
+    /* The extra [class] is a hack that increases specificity enough to
+       override a similar rule in reveal.js */
+    ul.task-list[class]{list-style: none;}
+    ul.task-list li input[type="checkbox"] {
+      font-size: inherit;
+      width: 0.8em;
+      margin: 0 0.8em 0.2em -1.6em;
+      vertical-align: middle;
+    }
+    .display.math{display: block; text-align: center; margin: 0.5rem auto;}
   </style>
   <link rel="shortcut icon" href="https://raw.githubusercontent.com/M66B/FairEmail/master/app/src/main/ic_launcher-web.png">
   <meta name="theme-color" content="#006db3">
@@ -3002,6 +3011,8 @@ adb install /path/to/FairEmail-xxx.apk</code></pre>
 <li><a href="https://email.freenet.de/">Freenet.de</a></li>
 <li><a href="https://mailbox.org/">Mailbox.org</a></li>
 <li><a href="https://posteo.de/">Posteo.de</a></li>
+<li><a href="https://web.de/email/">web.de</a></li>
+<li><a href="https://www.gmx.net/mail">GMX</a></li>
 </ul>
 <p>This is not a complete and exhaustive list.</p>
 <p>Please see <a href="https://www.zivver.com/blog/why-cisos-and-security-professionals-can-no-longer-rely-on-regular-email-for-the-sharing-of-personal-information">this article</a> about why DANE is important.</p>