``` CSS код: ``` body { background-color: black; margin: 0; padding: 0; } .circle { width: 100px; height: 100px; border-radius: 50%; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); animation-name: spin; animation-duration: 5s; animation-iteration-count: infinite; } .circle1 { background-color: #ff4d4d; animation-delay: 0s; } .circle2 { background-color: #4d79ff; animation-delay: 1s; } .circle3 { background-color: #00cc66; animation-delay: 2s; } .circle4 { background-color: #ffff4d; animation-delay: 3s; } @keyframes spin { 0% { transform: translate(-50%, -50%) rotate(0deg); } 100% { transform: translate(-50%, -50%) rotate(360deg); } } ```