Preoccupations

CSS tutorials

Excellent site covering lists, floats and selectors.

Firefox's Edit CSS plugin

Russell Beattie gives this an unambiguous thumbs-up:

EditCSS is an amazing plug in for FireFox (and other Moz variants) that I just discovered. It allows you to edit your web page's CSS in the left sidebar and watch the change in realtime in the browser pane. This is as cool as it gets in web design if you ask me.

CSS guidance

Nick Bradbury points out htmldog.com, 'the web designer's resource for everything HTML and CSS'.