html img opacity code example

Example 1: css opacity example

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

Example 2: change transparancy img css

img {
  opacity: 0.5;
}

Example 3: reduce opacity of background image css

.img1 {
opacity: 0.6;
z-index=1;
}