how to set background color to transparent in css code example
Example 1: css how to make background transparent
/* Use RGBA */
background-color: rgba(255, 255, 0, 0.75); /* Transparent Yellow */
Example 2: css opacity background color
background: rgba(255, 255, 255, 0.25);
Example 3: css transparent background color
div {
opacity:25% ;
}