<!DOCTYPE html>
<html>
<body>
<h1>The input accept attribute</h1>
<form action="/action_page.php">
<label for="img">Select image:</label>
<input type="file" id="img" name="img" accept="media_type">
<input type="submit">
</form>
<p><strong>Note:</strong> Because of security issues, this example will not allow you to upload files.</p>
</body>
</html>