<!--
@BLINK-ALLOW:offscreen
-->
<html>
<body>
<button>Onscreen</button>
<div style="height:650px"></div>
<button>Offscreen</button>
</body>
</html>
<!--
@BLINK-ALLOW:offscreen
-->
<html>
<body>
<button>Onscreen</button>
<div style="height:650px"></div>
<button>Offscreen</button>
</body>
</html>