<!DOCTYPE html>
<iframe
srcdoc="<div style='width:50px; height:50px; background-color:blue; float:right'></div>"
style="width: 150px; height: 100px">
</iframe>
<!DOCTYPE html>
<iframe
srcdoc="<div style='width:50px; height:50px; background-color:blue; float:right'></div>"
style="width: 150px; height: 100px">
</iframe>