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flyR2L{0%{transform:translate(calc(100vw + 50px));opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translate(-50px,-15px);opacity:0}}@keyframes flyDiagonal{0%{transform:translate(-40px,60px);opacity:0}10%{opacity:1}90%{opacity:1}to{transform:translate(calc(100vw + 40px),-50px);opacity:0}}@keyframes flyGentle{0%{transform:translate(-30px,20px);opacity:0}15%{opacity:.9}85%{opacity:.9}to{transform:translate(calc(100vw + 30px),10px);opacity:0}}.bird{position:fixed;z-index:0;pointer-events:auto;opacity:0;cursor:default;transition:filter .3s,transform .3s;background:url(/icons/bird.svg) center/contain no-repeat}.bird:hover{filter:brightness(2) drop-shadow(0 0 6px rgba(255,255,255,.5));transform:scale(1.5)}.b1{width:48px;height:20px}.b2{width:36px;height:15px;opacity:.8}.b3{width:44px;height:18px}.b4{width:24px;height:10px;background-image:url(/icons/bird-small.svg)}.b5{width:20px;height:8px;background-image:url(/icons/bird-small.svg)}.b6{width:40px;height:17px}.b1{top:6%;animation:flyL2R 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