.loading{--loading-size: 48px;--loading-frames: 12;display:inline-block;flex:none;width:var(--loading-size);height:var(--loading-size);background:url(/art/loading-sprite.png) 0 0 / calc(var(--loading-size) * var(--loading-frames)) var(--loading-size) no-repeat;animation:loading-bounce 1s steps(var(--loading-frames)) infinite;vertical-align:middle}@keyframes loading-bounce{to{background-position:calc(var(--loading-size) * -1 * var(--loading-frames)) 0}}