.section_hero{overflow:clip;position:relative}.section_hero *{z-index:1}.section_hero h1,.section_hero p{text-shadow:0 0 10px rgba(0,0,0,.5)}.section_hero .bg-img{background-position:50%;background-size:cover;bottom:0;left:0;position:absolute;right:0;top:0;z-index:0}.section_hero.kenburns-effect .bg-img{animation:kenburns 20s infinite;will-change:transform}@keyframes kenburns{0%{opacity:0}5%{opacity:1}95%{animation-timing-function:ease-in;opacity:1;transform:scale(1.5) translate(-95px,-60px)}to{opacity:0;transform:scale(2) translate(-170px,-100px)}}