how to change transparency css code example

Example 1: css opacity example

.opacity30 {
  opacity: 0.3;
  filter: alpha(opacity=30); /* For IE8 and earlier */
}

Example 2: css opacity

.div{
  opacity: 0.8; /* 1 means fully visible, 0 means invisible */
}

Example 3: set opacity of background image

The following example sets the opacity for the background color and not the text: 100% opacity. 60% opacity. 30% opacity. 10% opacity. You learned from our ...