change transparency css code example
Example 1: css opacity example
.opacity30 {
opacity: 0.3;
filter: alpha(opacity=30); /* For IE8 and earlier */
}
Example 2: background color with opacity
h1 {background-color:rgba(255,0,0,0.3);}
Example 3: image opacity in html
img {
opacity: 0.5;
}