.on {
    display: block !important;}
.submenu ul li{float: left;line-height: 60px;}
.submenu ul li a{font-size: 17px;color: #fff;padding: 0 18px;display: block;}
.submenu ul li.light a{color: #333333;background: #f2f2f2;}
.submenu ul li:hover a{color: #333333;background: #d8e9ff;}