UserStyles for Gmail

Hi
I did some experiment on user styles which works good on the firefox.
Do check and give feedback please.

http://userstyles.org/users/68786

Source Insight Theme.

Hi all,
 coders who work on Source insight 3 need to figure out which is o/0 /"o"/zero/...
apart from this, coder need to differntiate lot of close symbols. Also need to work long hours on code..
I felt few themes are good on eyes to work long hours..
I have experimented few themes and fonts...here in below link updated  all themes...
please give me feedback on how to improve it..

https://docs.google.com/folder/d/0B20u8CFaigdJZVE3VC1MdkRYdFk/edit?usp=sharing