.nav, .nav ul, .nav li{list-style:none;}
.nav ul{padding:0;margin:0 0 0 18px;}
.nav{padding:4px;margin:0px;}
.nav > li{margin:4px 0;}
.nav > li li{margin:2px 0;}
.nav a{color:#333;display:block;outline:none;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;text-decoration:none;}
.nav li > a > span{float:right;font-size:19px;font-weight:bolder;}
.nav li > a:hover > span{color:#fff;}
.nav li > a > span:after{content:'\25be';}
.nav li.open > a > span:after{content:'\25b4';}
.nav a:hover, .nav li.active > a{background-color:#5D5D5D;color:#f5f5f5;}
.nav > li.active > a{background-color:#4D90FE;}
.nav li a{font-size:12px;line-height:18px;padding:2px 10px;}
.nav > li > a{font-size:14px;line-height:20px;padding:4px 10px;}