css transparent background color code example

Example 1: css how to make background transparent

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

Example 2: background color css rgb

body {
  background-color: rgb(255,255,255);
}

Example 3: css opacity example

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

Example 4: background color transparent

div {
	background: transparent
}

Example 5: background color css

html,body {
  background-color: red;
}

Example 6: css transparent background color

div {
 opacity:25% ; 
}