.sc-btn a{
   background: silver;
   padding: 5px;
   margin-right:5px;
 }
.non-aktif{
   opacity: 0.5;
 }
.aktif{
   opacity: 1.0;
} 
.aktif:before{
   content: "";
   position:absolute;
   width:0;
   border-width: 0 8px 8px 8px;
   border-style: solid;
   border-color: #bbb transparent;
   margin-top: 26px;
   margin-left: 0px;}
.isi {
   margin-top: 13px;
   border-top: 1px solid #bbb;
 }