.kenburns-bg{overflow:hidden}.kenburns-bg:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-size:cover;background-position:center;background-repeat:no-repeat;background-image:inherit;transform:scale(1);animation:kenburns-bg 15s ease-in-out infinite alternate;z-index:0}@keyframes kenburns-bg{0%{transform:scale(1) translate(0,0)}100%{transform:scale(1.2) translate(-15px,-15px)}}