@keyframes bk{to{transform:translateZ(1px) rotate(1turn)}}.bk-wrap{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:0;contain:layout style}.bk-p{width:20vmin;height:20vmin;border-radius:20vmin;backface-visibility:hidden;position:absolute;animation:bk linear infinite}