width: 500px; height: 500px; background: repeating-radial-gradient(ellipse at 50% 50%, rgb(173 23 153 / 1) 0%, 2%, rgb(69 228 255 / 1) 4%, rgb(69 228 255 / 1) 4%) 0px 0px / 500px 500px no-repeat no-repeat; /* New Background */