.background{height:100%;width:100%;display:block;position:relative;background-color:rgba(0,0,0,.8)}.background:after{content:"";background-image:url(/footer.jpg);opacity:.3;top:0;left:0;bottom:0;right:0;position:absolute;z-index:-1;background-position:50%;background-repeat:no-repeat;background-size:cover}