.navbar-nav li a{
    border: 1px solid #6be4fa;
    margin-left: 10px;
    border-radius: 5px;
    padding: 5px 25px!important;
}
.navbar-nav li a:hover{
    border: 1px solid #6be4fa;
    background-color: #c2ffff;
    color: #000!important;
}