box-shadow glow code example
Example 1: css glow effect
div {
width: 150px;
height: 150px;
background-color: #fff;
box-shadow: 120px 80px 40px 20px #0ff;
/* in order: x offset, y offset, blur size, spread size, color */
/* blur size and spread size are optional (they default to 0) */
}
Example 2: html make box shadow
box-shadow: 0 20px 20px rgba(0, 0, 0, 0.2), 0px, 0px, 50px rgba(0, 0, 0, 0.2)