<div style="left: 110px; top: 90px; position: absolute;">SCROLL DOWN</div>
<img src="play.png" onclick="alert('never triggered');" width="80" height="80" style="left: 110px; top: 710px; position: absolute;">
<?php
$opacity = (isset($_GET['opacity']) ? $_GET['opacity'] : '0.5');
$url = (isset($_GET['url']) ? $_GET['url'] : 'http://rungo.idnes.cz/ankety.aspx?idanketa=A20160313_Pil_382&setver=full');
?>
<iframe
	style="opacity: <?php echo htmlspecialchars($opacity); ?>; width: 400px; height: 800px; left: 0px; position: absolute;"
	src="<?php echo htmlspecialchars($url); ?>">
</iframe>

<p style="padding-top: 820px"><strong>Clickjacking</strong></p>
<p><a href="?opacity=0">invisible frame <?php echo htmlspecialchars($url); ?></a></p>
<p><a href="?opacity=0.5">half-visible frame <?php echo htmlspecialchars($url); ?></a></p>

<div style="left: 110px; top: 90px; position: absolute;">SCROLL DOWN</div>
<img src="play.png" onclick="alert('never triggered');" width="80" height="80" style="left: 110px; top: 710px; position: absolute;">
<?php
$opacity = (isset($_GET['opacity']) ? $_GET['opacity'] : '0.5');
$url = (isset($_GET['url']) ? $_GET['url'] : 'https://rungo.idnes.cz/ankety.aspx?idanketa=A20160824_Pil_507&setver=full');
?>
<iframe
	style="opacity: <?php echo htmlspecialchars($opacity); ?>; width: 400px; height: 800px; left: 0px; position: absolute;"
	src="<?php echo htmlspecialchars($url); ?>">
</iframe>

<p style="padding-top: 820px"><strong>Clickjacking</strong></p>
<p><a href="?opacity=0">invisible frame <?php echo htmlspecialchars($url); ?></a></p>
<p><a href="?opacity=0.5">half-visible frame <?php echo htmlspecialchars($url); ?></a></p>

Use HTTPS frame in clickjacking example
Use HTTPS frame in clickjacking example
