.nav-pills>li.active>a, .nav-pills>li.active>a:focus, .nav-pills>li.active>a:hover {background-color:transparent; color:black;}
.nav>li>a:focus, .nav>li>a:hover {background-color:transparent;}
.nav li a {color:black; padding-left:10px; padding-right:10px;}
.nav .active {border-bottom:1px solid black;}
.center-pills { display: inline-block; }