iframe-overflow-due-to-snapping.html

<!DOCTYPE html>
<iframe style="position:relative; left:0.75px; top:0.75px; width:99.625px; height:99.625px; border:1px solid black;" src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+DQo8Ym9keSBzdHlsZT0iYmFja2dyb3VuZDpncmVlbiI+PC9ib2R5Pg=="/>
<!-- This test demostrates iframes may overflow by 1px due to snapping -->

chromium/third_party/blink/web_tests/fast/sub-pixel/iframe-overflow-due-to-snapping.html