Index: openacs-4/packages/xowiki/www/resources/chat-skins/chat-classic.css
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/www/resources/chat-skins/chat-classic.css,v
diff -u -N -r1.3 -r1.3.2.1
--- openacs-4/packages/xowiki/www/resources/chat-skins/chat-classic.css	6 Dec 2018 20:24:12 -0000	1.3
+++ openacs-4/packages/xowiki/www/resources/chat-skins/chat-classic.css	7 Mar 2023 13:46:58 -0000	1.3.2.1
@@ -194,6 +194,8 @@
     background-color: #eceff1;
     border-radius: 8px;
     padding-right: 45px;
+    width: 100%; /* Do not let the browser set a "natural" content size for this
+                    element, so that flex can always shrink/enlarge it as needed */
     min-width: 0; /* Avoid overlapping when screen width is very small */
 }