*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;font-family:"Press Start 2P",monospace;touch-action:manipulation;-webkit-tap-highlight-color:transparent}#aquarium{position:fixed;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#0a3d6b,#0d5e8a,#126e8a 60%,#1a8a7a);overflow:hidden}#ground{position:absolute;bottom:0;left:0;right:0;height:60px;background:linear-gradient(180deg,#3d6b35,#2d4a28);border-top:3px solid #5a8a4a}#ground:before{content:"";position:absolute;top:-15px;left:0;right:0;height:15px;background:repeating-linear-gradient(90deg,transparent 0px,transparent 20px,#4a7a3a 20px,#4a7a3a 22px);opacity:.5}#bubbles{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.bubble{position:absolute;bottom:-10px;border-radius:50%;background:#ffffff26;border:1px solid rgba(255,255,255,.25);animation:rise linear infinite}@keyframes rise{0%{transform:translateY(0) translate(0);opacity:.7}50%{transform:translateY(-50vh) 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