โค๊ด HTML
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<base target="_top">
</head>
<body>
<iframe style="position: absolute;top: 0;left: 0;width: 100%;height: 100%;border: 0;" src="xxx"></iframe>
</body>
</html>
