.z-index-up{z-index:1}.overflow-hidden{overflow:hidden}*{box-sizing:border-box}.banner{position:relative;margin-bottom:5rem}.banner:after{background-color:rgba(0,0,0,.4);content:"";height:100%;position:absolute;left:0;top:0;width:100%}.banner .banner-bg-img{object-fit:cover;top:0;left:0}.banner .banner-content{padding:5rem 0;color:#fff}