<html>
<head>
<style>
p:before
{
content:"Read this -";
background-color:yellow;
color:red;
font-weight:bold;
}
</style>
</head>
<body>
<p>My name is Donald</p>
<p>I live in Ducksburg</p>
<p><b>Note:</b> For :before to work in IE8, a DOCTYPE must be declared.</p>
</body>
</html>