CSS for Blockquote

[nalmeida]

100% CSS + HTML suggestion for blockquote style.

Sample:

> If you want to write fast software, use a slow computer. **@nalmeida**.

> "Part of the problem seems to be that nobody these days is content to merely put their dent in the universe. No, they have to fucking own the universe. It’s not enough to be in the market, they have to dominate it. It’s not enough to serve customers, they have to capture them." **@dhh**.

Result: