.kenburns-bg{position:relative;overflow:hidden}.kenburns-bg::before{content:"";position:absolute;inset:0;background-image:inherit;background-size:cover;background-position:center;animation:kenburnsZoom 20s ease-in-out infinite alternate;transform-origin:center;z-index:0}.kenburns-bg>*{position:relative;z-index:1}@keyframes kenburnsZoom{0%{transform:scale(1) translate(0,0)}100%{transform:scale(1.25) translate(-2%,-2%)}}