nav>ul { margin-top:0px; margin-left:20px; list-style: none; padding: 0; }
nav>ul { overflow: hidden; }
nav>ul li { float: left; margin: 3px 1px 0 0; z-index:999;}
nav>ul li.last { margin-right: 10px; }
nav>ul li a { display: block; padding: 11px; background: #d5d5d5; color: #999999; font-size: 13px; text-align: center; border: 0; text-decoration:none; border-bottom:1px solid #37485c;}

nav li a.current,nav li a.current:hover { background-color: #fff; color: black; border-bottom:1px solid #fff;}
nav>ul li a:hover, nav>ul li a:focus { background: #fff; color:#4b4a4a;}