.star {
            position: absolute;
            background: white;
            border-radius: 50%;
        }

        @keyframes moveStars {
            from {
                transform: translateZ(-1000px) translate(500px, 500px);
            }
            to {
              transform: translateZ(0) translate(0, 0);
            }
        }

        .stars {
            position: absolute;
            width: 100%;
            height: 100%;
            perspective: 1000px;
        }

        .stars div {
            animation: moveStars linear infinite;
        }