opacity in html code example

Example 1: css opacity background color

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

Example 2: css opacity example

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

Example 3: 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 4: css opacity

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

Example 5: background color with opacity

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