.mm-menu{display:none}.header,.content,.footer{text-align:center}.header,.footer{background:#000;font-size:16px;font-weight:700;color:#fff;line-height:40px;-moz-box-sizing:border-box;box-sizing:border-box;width:100%;height:80px;padding:10px 0;position:relative;z-index:99}.header.fixed{position:fixed;top:0;left:0}.footer.fixed{position:fixed;bottom:0;left:0}.header a:first-child{display:block;width:40px;height:61px;position:absolute;top:13px;left:10px}.content{padding:150px 50px 50px}