make avatars twice as wide (and tall)

Author: pdurbin

styles.css

@@ -337,9 +337,9 @@ select {
 }
 
 .member-avatar {
-  width: 72px;
-  height: 72px;
-  flex: 0 0 72px;
+  width: 144px;
+  height: 144px;
+  flex: 0 0 144px;
   border-radius: 18px;
   object-fit: cover;
   border: 1px solid var(--border);