.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(2vw)}.progressive img.reveal{position:absolute;left:0;top:0;will-change:opacity;animation:progressiveReveal 1s ease-out}@keyframes progressiveReveal{0%{transform:opacity: 0}100%{transform:opacity: 1}}