how to add gradient in cs code example

Example 1: background with image and gradient

body {
  background: #eb01a5;
  background-image: url("IMAGE_URL"); /* fallback */
  background-image: url("IMAGE_URL"), linear-gradient(#eb01a5, #d13531); /* W3C */
}

Example 2: linear gradient css

/* A gradient tilted 100 degrees,
   starting gray and finishing black */

.class {
    background: linear-gradient(100deg, rgba(63, 63, 63, 0.8) 0%, rgba(255, 255, 255, 0) 25%);
}

/* A gradient going from the bottom to top
   starting red and finishing orange */

.class {
    background: linear-gradient(to top, #f32b60, #ff8f1f);
}