Some UI improvements

templates/chat/chat.html

@@ -582,13 +582,8 @@
 
     <div id="chat-container">
       <div id="chat-online" class="chat-right-panel sidebox">
-        <h3 style="display:flex">
-          {{_('Online Users')}}
-          <a href="#" id="refresh-button" title="{{_('Refresh')}}">
-            <img src="/reload.png"
-              width="100%"
-            >
-          </a>
+        <h3>
+          <i class="fa fa-users"></i>{{_('Online Users')}}
         </h3>
         <div id="chat-online-content">
           <div id="search-container">
@@ -606,7 +601,7 @@
         </div>
       </div>
       <div id="chat-area" class="chat-left-panel" style="width:100%">
-        <div id="chat-info" style="height: 8%">
+        <div id="chat-info" style="height: 10%">
           {% include 'chat/user_online_status.html' %}
         </div>
         <div id="chat-box">