<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/lib/w3.css">
<body>
<form class="w3-container">
<h2>Input Form</h2>
<br>
<input class="w3-input" type="text" required>
<label class="w3-label">Name</label>
<br>
<input class="w3-input" type="text" required>
<label class="w3-label">Email</label>
<br>
<textarea class="w3-input"></textarea>
<label class="w3-label">Subject</label>
</form>
</body>
</html>