<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
option:disabled {
background: #8ebf42;
}
</style>
</head>
<body>
<h2>:disabled selector example</h2>
<select>
<option value="paris">Paris</option>
<option value="london" disabled>London</option>
<option value="moscow">Moscow</option>
<option value="rome" disabled>Rome</option>
<option value="berlin">Berlin</option>
</select>
</body>
</html>