Advanced CSS Design Resources - last-child.com

How good is IE7? I was wondering about that today as I reloaded it to do another batch of bug fixing. The proof may be in your CSS pudding.
We are using conditional comments to import either ie6.css or ie7.css to control our hacks.

<! –[if IE 7]>

<link href=“/css/ie7.css” type=“text/css” rel=“stylesheet” media=“all”/>

<![endif]–>

<! –[if lte IE [...]

The YUI Container libraries work with visibility:hidden to hide your targeted div. I’ve spent too many hours trying to figure out why something wasn’t working only to realize I had display:none in the CSS. So, when you use these libraries remember visibility, not display. It’s a mantra that could keep you from pounding your [...]

Yahoo began releasing it’s design and javascript libraries a few months ago. These are truly a great resource; you can benefit from some of the greatest minds at Yahoo! These scripts have been extensively tested for memory leaks, cross-browser support, and accessibility.
The latest release includes the module/container library. This group makes it super easy to [...]

The detour around flash for accessibility

Yahoo! Tech’s home page features a flash-based media space that highlights stories, comparisons, buying guides, blog posts, and more. Making this accessible required a bit of trial and error, but the solution was simple and can be used by sites everywhere.
Step 1. Inserting the flash object

The site [...]

I came across an issue with Internet Explorer 7 beta displaying the rating stars incorrectly in Yahoo! Tech. After doing some testing, I realized the browser was measuring the sprite image from the bottom up, rather than the top down. This is a significant issue. I had to create a new set of rules [...]