เพี้ยน
<body style="margin:0px;padding:0px;overflow:hidden">
<iframe src="http://www.youraddress.com" frameborder="0" style="overflow:hidden;height:100%;width:100%" height="100%" width="100%"></iframe>
</body>https://stackoverflow.com/questions/5867985/full-screen-iframe-with-a-height-of-100