.ball {
            width: 50px;
            height: 50px;
            background-color: pink;
            border-radius: 50%;
            position: absolute;
            animation: bounce 5s infinite;
        }

        @keyframes bounce {
            0% {
                transform: translateY(0) rotate(0deg);
            }
            50% {
                transform: translateY(-50px) rotate(0deg);
            }
            100% {
                transform: translateY(0) rotate(360deg);
            }
        }