Making Sites Look Their Best in Standards Mode

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Windows Internet Explorer Engineering Team Blog

Making Sites Look Their Best in Standards Mode

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IE has traditionally drawn a 2-pixel border around the content area of a site. This border, drawn as part of the page rather than IE’s frame, affects calculations of distance from the top and left of the page. It also creates a not-so-modern beveled look.

In the fourth Platform Preview, you’ll notice pages running in IE9’s Standards Mode no longer have the border. Here’s a before and after:

Before
webpage with 2px border
After
webpage with no border

Pages that run in legacy document modes will still have a 2-pixel border so that any site calculations dependent on the 2 pixels remain the same as in IE8.

To make sure your site runs in IE9 Standards Mode and gets this and all the other latest features in IE9, use a strict doctype. We recommend the HTML5 doctype (<!DOCTYPE html>) since it’s simple and will put your site in Standards Mode in all current browsers.

John Hrvatin
Program Manager

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