.thw-chanel-nav{display:block;width:100%;box-sizing:border-box;background:#fff;border-bottom:1px solid #e5e5e5}.navbar-nav{display:-webkit-box;font-weight:700}.navbar-nav>li{-webkit-box-flex:1;height:40px;background-color:#fff}.navbar-nav>li>a{display:block;padding:10px 0;font-size:16px;line-height:20px;color:#333;text-align:center}.navbar-nav>li.active{background-color:#fff;font-weight:700;border-bottom:3px solid #f40}.navbar-nav>li.active>a{color:#f40}.fixed-top{position:fixed;top:0;left:0}