Comments on the Tarako review queue (bug 1053896)

https://bugzilla.mozilla.org/show_bug.cgi?id=1053896

@robhudson r?

![screenshot 2014-08-25 15 56 34](https://cloud.githubusercontent.com/assets/211578/4036482/52f58d64-2c9a-11e4-9851-7191b1731f21.png)

This is actually copy+paste from a couple lines above. I duplicated the rules so that they'd overwrite the `:nth-child(odd)` and `:nth-child(even)`. That's definitely a good substitute but I'd rather leave this file as is. (`#FAFAFA` vs `#F8F8F8`).