w3 school how to make the background of an image transparent code example
Example 1: background image opacity css
/* Two ways to make images opaque */
div {
background-color : rgba(120, 120, 120, 0.5)
/* the 0.5 is the value of opacity on a scale of 0-1 */
}
/* OR */
div {
background-color : blue
opacity : 50%
}
Example 2: image opacity in html
img {
opacity: 0.5;
}