.tab{background-color:#f1f1f1;border:1px solid #ccc;overflow:hidden}.tab button{background-color:inherit;border:none;cursor:pointer;float:left;font-size:17px;outline:none;padding:14px 16px;-webkit-transition:.3s;transition:.3s}.tab button:hover{background-color:#ddd}.tab button.active{background-color:#ccc}.tabcontent{border:1px solid #ccc;border-top:none;display:none;padding:6px 12px}