#footer{background:url(../../images/site/footer_bg.jpg)0 0 no-repeat;background-size: cover;background-position: center;position: relative;margin-top:20px;margin-bottom:64px;}
#footer:before{content: '';position: absolute;top:0;left:0;bottom:0;right:0;background:#000000;opacity: 0.7;}

#footer .box{color:#ffffff;position: relative;padding:15px;}

#nav{background-color:#4275b7;position: fixed;bottom:0;right:0;width:100%;z-index: 9;}
#nav ul{margin:0;padding:0;overflow: hidden;}
#nav ul li{list-style: none;display: block;width: 25%;float: left;}
#nav ul li a{display: block;text-align: center;color:#ffffff;padding: 7px 0;}

#header{padding:10px 0;position: fixed;top:0;left:0;width:100%;background-color:#ffffff;z-index: 9;}

#wrapper{margin-top:85px;}

.am-gotop-fixed{bottom:70px;}