content="IE=edge">
彩虹...*/
radial-gradient( ellipse at 0% 100%, #0b0b31 50%, transparent 50.5%), /* 右边的山 */
...radial-gradient(ellipse at 100% 100%, #0b0b31 50%, transparent 50.5%), /* 彩虹 */
radial-gradient...0% 50%, 100% 50%, 50% 40%;
}
.container::before {
background-image: /* 左边的山...radial-gradient(ellipse at 100% 0%, #0b0b31 50%, transparent 50.5%), /* 彩虹 */
radial-gradient