width: 500px;
height: 500px;
background:
radial-gradient(ellipse at 50% 50%, rgb(69 255 144 / 1) 0%, 50%, rgb(69 168 255 / 1) 100%) 189px 128px / 100px 100px no-repeat no-repeat, /* New Background */
linear-gradient(rgb(24 24 22 / 1), rgb(24 24 22 / 1)) 0px 0px / 500px 501px no-repeat no-repeat; /* New Background */