Code block, table and other CSS tweaks

I actually typo'd the branch title. I meant to write "part 452", but instead hit 'y' and accidentally 'Enter' right after. What a fun - or should I say festive - accident.

![the_horror](https://f.cloud.github.com/assets/218910/164416/4cffcafe-78a1-11e2-9142-e49b5c9978fe.png)