.main-banner{min-height:400px}.main-banner img:not([src]):before{background-color:#000000b3;content:"";display:block;height:100%;top:0;right:0;bottom:0;left:0;position:absolute;width:100%;z-index:3}.main-banner__content{max-width:80%;padding-top:60px}.main-banner__description,.main-banner__heading{margin-bottom:32px}