background color text css code example

Example 1: css transparent background color

div {
 opacity:25% ; 
}

Example 2: text color css

.class {
  color: white;
}

Example 3: text background color css

body {
	background-color:rgb(130, 50, 29);
}

Example 4: background color

//javascript type css:
document.body.style.backgroundColor = "blue";
// or inline css:
<div style="background-color: blue;"></div>