nav:not(.mm-menu){display:none;}
.head,
.cont,
.foot{}
.head{background:#008AC8;;font-size:36px;font-weight:700;color:#fff;text-align:center;line-height:60px;-moz-box-sizing:border-box;box-sizing:border-box;width:100%;height:60px;}
.foot{background:#008AC8;;font-size:21px;font-weight:bold;color:#fff;text-align:center;line-height:40px;-moz-box-sizing:border-box;box-sizing:border-box;width:100%;height:80px;}
.head.fixed{position:fixed;top:0;left:0;}
.foot.fixed{position:fixed;bottom:0;left:0;}
.head a{display:block;width:60px;height:50px;padding:18px;position:absolute;top:0;left:0;}
.head a:before,
.head a:after{content:'';display:block;background:#fff;height:3px;}
.head a span{background:#fff;display:block;height:3px;margin:8px 0;}
.cont{}