li.text-center>a{color:#fff!important;background-color:#1eabb1!important}.nav>li>a{position:relative;display:block;padding:7px 15px}li.text-center.active>a{color:#000!important;background-color:#fff!important;border-top:1px solid #1eabb1!important;border-left:1px solid #1eabb1!important;border-right:1px solid #1eabb1!important}.biankuang{padding:10px;border:1px solid #ddd;margin-bottom:15px}.biankuang:hover{padding:10px;border:1px solid red;margin-bottom:15px}.biankuang:focus{padding:10px;border:1px solid red;margin-bottom:15px}