making background transparent css code example
Example 1: css opacity example
.opacity30 {
opacity: 0.3;
filter: alpha(opacity=30); /* For IE8 and earlier */
}
Example 2: css transparent background color
div {
opacity:25% ;
}
Example 3: transparent background css for image
background-color: rgba(255, 0, 0, 0.5);
Example 4: change transparancy img css
img {
opacity: 0.5;
}