.aquarium{position:relative}.aquarium,.background-layer{width:100vw;height:100vh;overflow:hidden}.background-layer{position:absolute;top:0;left:0}.main-bg{background-image:url(/fish/main_bg.png);z-index:-1}.main-bg,.sub-bg{background-position:50%;background-repeat:no-repeat;background-size:cover}.sub-bg{background-image:url(/fish/sub_bg.png);z-index:1}.background-fish-container{z-index:0}.background-fish-container,.fish-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.fish-container{z-index:2}.background-fish{position:absolute;transform-origin:center;will-change:transform;opacity:.6;mix-blend-mode:multiply}.background-fish .fish-wrapper{transform-origin:center;transition:transform .1s ease-out}.background-fish img{width:auto;height:20px}.fish{position:absolute;will-change:transform}.fish,.fish-wrapper{transform-origin:center}.fish-wrapper{transition:transform .1s ease-out}.fish img{width:auto;height:25px}