how to set a gradient in css code example
Example 1: css linear gradient
#gradient {
background-image: linear-gradient(180deg, black, red);
}
/* can be applied in many places, as your <body> background or a <div> etc */
Example 2: double color background css
background: linear-gradient(<angle>, color1 color1-stop-at, color2 color2-start-at);