body {margin:0;}
.nav{margin-bottom:0;padding-left:0;list-style:none}
.nav>li{position:relative;display:block}
.nav>li>a{position:relative;display:block;padding:10px 15px}
.nav>li>a:hover,.nav>li>a:focus{text-decoration:none;background-color:#eee}
.nav>li.disabled>.nav>li.disabled>a:hover,.nav>li.disabled>a:focus{color:#777;text-decoration:none;background-color:transparent;cursor:not-allowed}
.nav .open>a,.nav .open>a:hover,.nav .open>a:focus{background-color:#eee;border-color:#1A82C3}