UI styles are overriding syntax styles

I wanted to use the Spacegray Eighties UI with a syntax from another scheme, except the Spacegray UI theme is overriding the background colors of the editor and line numbers.

What it should look like

![screen shot 2014-05-07 at 8 59 22 pm](https://cloud.githubusercontent.com/assets/54012/2911741/47aa78ba-d665-11e3-94f2-8e568f994d19.png)

What it does look like

![screen shot 2014-05-07 at 8 59 57 pm](https://cloud.githubusercontent.com/assets/54012/2911748/5f99f23e-d665-11e3-99e5-96992e36d315.png)

@emilyemorehouse