2.3 Awesome Font Stacks
Typography is one of the fundamental aspects of any web page. It determines how that page will look like. And let’s face it: if you have a poor choice of fonts then whatever it is you’re making will look bad. For example, imagine using comic sans for an entire website.
That’s probably taken to the extreme, but you get my point. On top of that, you have to ensure some sort of cross-browser compatibility for your fonts.
This is where font stacks come in.