CSS Tab Designer is a unique and easy to use software to help you design css-based lists and tabs visually and without any programming knowledge required!

This combination of JavaScript and CSS will hide checkbox and radio inputs that have a class = "crirHiddenJS", an id, and a proper label tag. This will allow you to style the label however you wish using CSS, and the actual input control will be hidden.

Covers a bunch of subjects, including Photoshop, PHP/MySQL, ASP, Ruby, CSS/XHTML, Dreamweaver, Fireworks, Flash, Javascript/DHTML, and Image Ready.

Experiments with Cascading Style Sheets. Especially useful for seeing what Mozilla can do that IE can't, and for dropdown/flyout menus.

Mike Davidson's tutorial for making your MySpace page actually look good. Includes sample graphics and all the CSS you need. [via weblogtoolscollection]

Whoops - I just missed it. Anyway, it might be fun to try stripping all CSS just to see what it looks like. Includes tips for WordPress and TextPattern users. [via simon willison]

Here is a simple test concerning how static elements interact with floats.

Complicated (to me) but potentially useful. [via weblogtoolscollection]

Using CSS to create mock Javascript-style image changes when hovering. Could be useful for those who design in S1 on LiveJournal, because they don't allow Javascript.