Source Code: (back to article)
<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
p {
background-color: rgba(255, 0, 0, 0.5);
}
</style>
</head>
<body>
<p>
<span>W3Docs!</span>
</p>
</body>
</html>