Fix broken styles: initial empty editor + search/replace dialog

TBR: the styles got broken at various recent points.

Initial empty editor before:
![Uploading Screen Shot 2014-10-19 at 12.54.41 AM.png . . .]()

Initial empty editor after:
![Uploading Screen Shot 2014-10-19 at 12.55.28 AM.png . . .]()

Search/replace before:
![screen shot 2014-10-19 at 12 50 00 am](https://cloud.githubusercontent.com/assets/5606182/4692461/b1aed2e4-5764-11e4-85e9-e6417ee929e3.png)

Search/replace after:
![screen shot 2014-10-19 at 1 04 55 am](https://cloud.githubusercontent.com/assets/5606182/4692486/b4cd8a0e-5766-11e4-936d-26f62d6c8869.png)