Prism
<html>
<head>
<style>
.delete
{
color: red;
text-decoration:line-through;
}
p.thisText
{
color: #000;
}
.replace
{
color: red;
text-decoration: underline;
}
p.yourContent
{
color: #f00;
}
</style>
</head>
<body>
<p>Delete this text and replace it with your own content.</p>
</body>
</html>