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public/style.css

@@ -335,6 +335,10 @@ body.sidebar-collapsed #btn-sidebar-expand { display: grid; }
   font-weight: 700; color: #fff; flex-shrink: 0; user-select: none;
 }
 
+.channel-user-item div.user-line-avatar {
+  width: 24px; height: 24px; 
+}
+
 /* spatial plane */
 #spatial-resizer {
   height: 6px; flex-shrink: 0; cursor: row-resize; background: transparent; position: relative;