#start{width:100%;height:200px;background-color:#00000080;padding-bottom:24%}#start:before{width:100%;height:350px;content:"";position:absolute;top:0;left:50%;transform:translate(-50%);background:url(/build/assets/servicios-Qp78PpxX.jpg) center/cover fixed;opacity:.3}.overlay{position:relative;z-index:1}