#spores-layer{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:1;pointer-events:none;overflow:hidden;opacity:0;transition:opacity 2s ease-in-out}#spores-layer.visible{opacity:1}.spore{position:absolute;background-size:contain;background-repeat:no-repeat;background-position:center;pointer-events:none;opacity:1;z-index:10002;will-change:transform,opacity}