CSS ~ Dizajn bre! (design)

I've always been taken with the way that the BBC styles their A-Z index using a simple list and CSS. However, because they use pixels to set the dimensions of each list item, the design breaks when you increase the text size.

Consequently, I thought I'd have a go at creating an A to Z index along the same lines that doesn't break when you resize your text.

The code is pretty straight forward. Here's the CSS: