<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Required Demo</title>
</head>
<body>
<form>
<label>
First Name:
<input required title="First Name is Required!" />
</label>
<label>
Last Name:
<input required title="Last Name is Required!" />
</label>
<button>Register</button>
</form>
</body>
</html>
