.shape{opacity:0;clip-path:polygon(0 0,100% 0,100% 25%,50% 50%,100% 75%,100% 100%,0 100%);transform-origin:50%;will-change:transform,opacity;border-radius:50%;animation:10s linear infinite float;position:absolute;bottom:-50px}@keyframes float{0%{opacity:0;transform:translate(0)scale(0)rotate(-45deg)}10%{opacity:1;transform:translateY(-20px)scale(1)rotate(-45deg)}90%{opacity:1;transform:translate(500px,-1000px)scale(1)rotate(-45deg)}to{opacity:0;transform:translate(500px,-1050px)scale(0)rotate(-45deg)}}.shape{animation-timing-function:linear}