background color transparent in css code example

Example 1: background color none

element {
	background-color: transparent;	
}

Example 2: css background color

body {
  background-color: green;
}

Example 3: css how to make background transparent

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

Example 4: background color css rgb

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

Example 5: css opacity example

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

Example 6: background color transparent

div {
	background: transparent
}