change opacity of backgound css code example
Example 1: css opacity example
.opacity30 {
opacity: 0.3;
filter: alpha(opacity=30); /* For IE8 and earlier */
}
Example 2: css background image opacity
/*
You have to fake it, as there is no such property
*/
div {
width: 200px; /* Image Width */
height: 200px; /* Image Height */
display: block;
position: relative;
}
div::after {
content: "";
background: url(image.jpg);
opacity: 0.5;
top: 0;
left: 0;
bottom: 0;
right: 0;
position: absolute;
z-index: -1;
}