Fixes GPG Keys and md5 styling overflow on mobile layout

Fixes the overflowing of the CSS styling on GPG keys on mobile layout and the md5 keys overflowing. See screenshots below of the GPG keys.

Before: 
![screen shot 2013-11-21 at 23 49 29](https://f.cloud.github.com/assets/5316805/1597192/510b06b0-530a-11e3-8947-2f700d71ad11.png)

After: 
![screen shot 2013-11-22 at 00 07 53](https://f.cloud.github.com/assets/5316805/1597195/636edd36-530a-11e3-9106-2ee37b1ba94e.png)