Selects disabled elements.
Example:
<!DOCTYPE html>
<html>
<head>
<title> CSS pseudo-class selector - :disabled</title>
<style>
:disabled {
background-color:lightgray;
}
</style>
</head>
<body>
<div>
<label>Code:</label>
<input type="text" id="code" value="10" disabled="disabled" />
</div>
</body>
</html>
Result:
Above example, sets background color gray to the disabled input element.