save file

Author: javascript-2020

html/chat-room/chat-room.html

@@ -15,7 +15,7 @@
   #tabs
     {display:flex}
   .tab
-    {padding:10px 20px;cursor:pointer;flex:1;text-align:center;font-weight:bold}
+    {padding:10px 20px;cursor:pointer;flex:1;text-align:center;font-weight:bold;border:1px solid gray}
 
   .active
     {background:lightyellow;border-color:lightblue;color:blue}