.section{text-align:center;}
#menu li{display:inline-block;margin:10px;color:#000;background:#fff;background:rgba(255,255,255,0.5);-webkit-border-radius:10px;border-radius:10px;}
#menu li.active{background:#666;background:rgba(0,0,0,0.5);color:#fff;}
#menu li a{text-decoration:none;color:#000;}
#menu li.active a:hover{color:#000;}
#menu li:hover{background:rgba(255,255,255,0.8);}
#menu li a,#menu li.active a{padding:9px 18px;display:block;}
#menu li.active a{color:#fff;}
#menu{position:fixed;top:0;left:0;height:40px;z-index:70;width:100%;padding:0;margin:0;}