.arango-tabbar { height: 27px; width: 100%; button { background: #f1f0ee; border: 0; float: right; height: 27px; width: 82px; } .arango-active-tab { background-color: #fff; border-left: 1px solid #000; border-right: 1px solid #000; border-top: 1px solid #000; } }