Gives you the ability to dynamically include a CSS file at any time in your HTML page using Javascript.

a simple css way to add shadow to tables and Divs

Get computed Width of an HTML Element

Not really a hack, but rather a workaround for layout problems with IE.
Conditional

Get computed Height of an HTML Element

Here's a library to manage CSS class names on DOM elements.

If you're an IE user you may have noticed that when you hover on a medium to large sized image, a toolbar appears in the corner of the image. It's basically useless as it accomplishes nothing that can't be done with a right-click.

Luckily, Microsoft has included a way for webmasters to disable this function.

Attribute Selectors

Using styles we can add scrollbars for large table where the space is a constraint

Don't know if anyone will find this handly, but here's a CSS processor that I wrote that allows me to nest CSS Blocks, and various other things, making for an easier to maintain CSS file.

Warning: I'd recommend caching the results since I didn't have a need to optomize it for speed.

Things that it includes:
*Nested CSS Rules
*Removes Whitespace
*Allows for // comments
*Removes comments (so put them in at no cost)

Please let me know what you think