aside#support{ position:fixed; background:#ff711b; right:0; bottom:20%; z-index:999; border-radius:5px 0 0 5px }
  aside#support ul{ height:100%; max-width:56px;float:left}
  aside#support ul li{ display:block; position:relative; text-align:left; padding:14px 4px; cursor:pointer} 
  aside#support ul li span{ font-size:12px; color:#fff; display:block; line-height:14px; margin-top:7px; text-align:center;font-weight: bold;}
  .viettablet-chat{ background:url(../images/support-contacts.png) no-repeat top center;display:block;width:26px; height:22px; margin:auto}
  .viettablet-to-top{ background:url(../images/support-top.png) no-repeat top center;display:block;width:16px; height:24px; margin:auto}
  #panel_contact{ width:280px;float:left; height:100%; background:#f8f8f8}
   aside#support.full{ bottom:0; height:100%; border-radius:0}
   #support .small li span{ display:none}
   #support .small li{ top:60%}
   #support .small:hover { background:#cd4d00 ; cursor:pointer}
   #support .panel{ float:left;display:block;width:280px; height:100%; background:#f8f8f8;display:none}
   body .full .panel{ display:block !important}
   #support .head_panel{font-size:18px; color:#666; padding:14px; font-weight:800}
   #support .panel .body{ padding:10px; height:calc(100% - 70px)}
   #feedback label{ display:block; margin-top:10px}
   #feedback img{ float:left; margin-right:10px}
   #support .msg{ display:none}
   #feedback textarea,#feedback input{ border:1px solid #ededed; display:block; margin-top:10px; border-radius:5px; max-height:200px; padding:6px;font-size:13px} 
   .cls{ clear:both}
   #feedback textarea{ width:95%; clear:both;  height:150px}
   #feedback input{ width:95%}
   #feedback p{ font-size:13px; margin-top:10px}
   #support .pull-bottom{position:absolute; bottom:10px;width:100%}
   #send-feedback{  width:83%; background:#ff711b ; text-align:center; color:#fff; height:50px; cursor:pointer; border-radius:5px;display:block}
   #support ul { z-index:9}
   #support ul li.min{ z-index:99}
   .abc123{ display:none}