image 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: background-image: url opacity

background-image: url(IMAGE_URL); /* fallback for older browsers */

background-image: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%,rgba(0,0,0,0.6) 100%), url(IMAGE_URL);

Example 3: css how to make background transparent

/* Use RGBA */
background-color: rgba(255, 255, 0, 0.75); /* Transparent Yellow */

Example 4: css opacity example

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

Example 5: background image opacity css

/* Two ways to make images opaque */

div {
	background-color : rgba(120, 120, 120, 0.5) 
   	/* the 0.5 is the value of opacity on a scale of 0-1 */
}

/* OR */

div {
	background-color : blue
    opacity : 50%
}

Example 6: transparent background css for image

background-color: rgba(255, 0, 0, 0.5);