<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
div:read-only:hover {
background-color: #eee;
}
div:read-only:before,
div:read-only:after {
content: " / ";
padding: 10px;
color: #1c87c9;
font-size: 30px;
}
</style>
</head>
<body>
<h2>:read-only selector example</h2>
<div readonly>Here is an example of :read-only selector on hover.</div>
<br/>
<div contenteditable="true">Example of a contenteditable paragraph! Just click and edit!</div>
</body>
</html>