.layout{background:#f5f7f9;position:relative}.layout-logo{height:60px;float:left;position:relative;top:10px;left:30px}.img{width:auto;height:auto;max-width:100%;max-height:100%}.layout-nav{width:660px;margin:0 auto;background-color:#000}.login-l{float:right;margin-right:30px}.layout-footer-center{text-align:center}