css to make background transparent code example
Example 1: background color semi transparent
.transparent {
background-color: rgba(255, 255, 255, 0.5);
}
.transparent {
opacity: 0.5;
}
Example 2: transparent background css for image
background-color: rgba(255, 0, 0, 0.5);
Example 3: transparent background css
div {
width: 200px;
height: 200px;
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;
}
Example 4: reduce opacity of background image css
.img1 {
opacity: 0.6;
z-index=1;
}