.koinobori{ width:300px; height:450px; background: radial-gradient(15px 40px at 40px 50px,#ffffff 90%,#000000 99%,#00000000 100%) ,conic-gradient(from 200deg at 250px 420px,#ff0000 70deg,#ff000000 71deg) 40px -408px ,conic-gradient(from 20…