background opacity css code example

Example 1: set background image opacity

#bg{
background-image: url('images/wood1.jpg');
opacity:0.2;
width:300px;
height:300px;
}

Example 2: css opacity background color

background: rgba(255, 255, 255, 0.25);

Example 3: css opacity example

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

Example 4: change transparancy img css

img {
  opacity: 0.5;
}

Example 5: css opacity

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

Example 6: background color with opacity

h1 {background-color:rgba(255,0,0,0.3);}