Align lists by adding bullets and numbers with a pseudo table cell.
Don’t stop including prefixes, just quit writing them with the help of Compass.
Set the width of a fixed element in relation to its parent.
Keep the scrollbar on short pages so the whole site doesn’t jog to the right.
Are you wondering whether you should still support IE7 on your next project?
A simple way to extend your sidebar color to fit the viewport regardless of the browser width.
Stop using images and faux columns. Achieve equal height columns with CSS tables.