.progressive{position:relative;display:block;overflow:hidden;outline:0}.progressive img{display:block;width:100%;max-width:none;height:auto;border:0}.progressive img.preview{filter:blur(0.5vw)}.progressive img.reveal{position:absolute;left:0;top:0;animation:progressiveReveal .5s linear}@keyframes progressiveReveal{0%{opacity:0}to{opacity:1}}