I've received numerous CSS-related emails and my overall impression is that many people are hesitant to edit the CSS in their blogs. There is a grave misconception about CSS and how it's just for geeks -- this is not true. Speaking in style comes naturally to all of us. To show what I mean, I made a screencast that will put it all into perspective. Check out the video to understand how your natural sense of style can be applied to understanding CSS.
Need an HTML and CSS primer? Check out the screencasts I made here.