width: 500px;
height: 500px;
background:
repeating-radial-gradient(ellipse at 50% 50%, rgb(249 50 50 / 1) 0.04%, rgb(206 124 0 / 1) 0.04%, rgb(255 238 67 / 1) 0.05%, rgb(255 238 67 / 1) 0.05%) 0px 0px / 500px 501px no-repeat no-repeat; /* New Background */