Viewport units (vm, vh) not working propery on font-size if the page is zoomed - by FremyCompany [MSFT]

Status : 

  Fixed<br /><br />
		This item has been fixed in the current or upcoming version of this product.<br /><br />
		A more detailed explanation for the resolution of this particular item may have been provided in the comments section.

ID 758778 Comments
Status Closed Workarounds
Type Bug Repros 0
Opened 8/20/2012 10:22:02 AM
Access Restriction Public


<!doctype html>
		<title>Invalid VM/VH to PX conversion in FONT-SIZE only</title>
		<!-- set this page at 50% zoom level (desktop IE); you should not see any red/orange on this page -->
			html, body { margin: 0px; padding: 0px; }
			html { font-size: 100vh; line-height: 0px; overflow: hidden; background: red; }
			div { position: absolute; top: 0px; }
			#vh { height: 100vh; width: 100vw; background: orange; }
			#em { height: 1rem; font-size: 100vw; width: 1em; background: lime; }
		<div id="vh"></div>
		<div id="em"></div>
    Initially reported in the W3C CSS Working Group:
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Posted by Microsoft on 3/5/2013 at 1:33 PM
Thank you for your feedback.

This issue was resolved in Internet Explorer 10.0.9200.16484. Please verify the change and file a new feedback (or reactivate the existing one) if the problem persists.

Best regards,

The Internet Explorer Team
Posted by Microsoft on 8/21/2012 at 1:59 PM
Thank you for your feedback. We will be investigating this issue further.

Best regards,

The Internet Explorer Team