It’s true that CSS can do a lot of great things these days. That being said, the same old Arial, Helvetica, and Times typefaces can get boring while trying to create clean typography. Designers and developers try to use the safest choice and stick to what will be available on most computers.
Although there is not a huge selection to choose from, a few great typefaces have become popular on most new computer systems. Below is a small list of fonts that I have started to work in to our projects. They can match the feel of the site better than standard choices and give a fresh look for headings and in content.