Advanced CSS Design Resources - last-child.com

I’ve been a recent convert to Design Meltdown. The site disects a visual theme and gives examples on how to use them and where they are being used. While exploring the latest post about sketches for the web, I noticed an interesting approach to the visited pages.
The Breakdown
The site has a series of floated divs [...]

I’ve played around with IE7 for a while, but haven’t really started debugging with it until now. Fortunately, I’ve already set up the site to use conditional comments and deliver an IE6.css file and a separate IE7.css file. This has made it much easier to target the offending areas of the site.
IE7 has had [...]

Cameron Adams (The Man in Blue) has created a method to force a footer to stick to the bottom of a page, regardless of how much content it contains. His approach is based on the work by Craig Erskine (solarDreamStudios).
The Setup
You have a page that terminates in a sturdy footer, such as this site. [...]

Internet Explorer 6 has an issue with positioned elements that use z-index. Here’s the trouble I just had with this:
I have a topnav consisting of an unordered list with a dropdown menu on one of the list elements. The dropdown is a nested unordered list with position:absolute and a z-index to sit on top [...]