Our version of boostrap does not have alert-secondary. Let's use aler…

…t-warning for now.

index.html

@@ -68,7 +68,7 @@
   <b><a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/releases/latest">New OSVM 2023.12</a></b> included in Squeak 5.3, 6.0, and Trunk bundles. <span>🎉</span> <b><a href="/downloads/">Grab 'em while they're hot!</a></b>
 </div>
 
-<div class="alert alert-secondary text-center" role="alert">
+<div class="alert alert-warning text-center" role="alert">
   <span>🐭</span> Squeak Oversight Board Election 2024 <span>💪</span>
   Campaigning until Feb 25. Voting until Mar 11. <b><a href="http://lists.squeakfoundation.org/archives/list/[email protected]/message/WSI63FDOTPQZTV2HFDN7NKIF7VM5K4CK/">Participate now!</a></b> <span>🙏</span>
 </div>