Fixed text alignment about icons on legend page

Before:
![2013-11-04 01 37 35](https://f.cloud.github.com/assets/683358/1461131/2a4cab46-4496-11e3-98ff-f7ab4522300d.png)

After:
![2013-11-04 01 39 07](https://f.cloud.github.com/assets/683358/1461132/2fbb26d4-4496-11e3-952a-8ed92acf9a8f.png)

These fixes tested on Ubuntu 13.10 in the following browsers:
  * Google Chrome 30
  * Opera 12.16
  * Firefox 25