fix 3/4 size items on ff26, saf 6 etc

mainly for journalists:

was
![screen shot 2014-11-04 at 12 53 42](https://cloud.githubusercontent.com/assets/867233/4900004/11df1dc6-6422-11e4-8bd8-f7a18405d0f5.png)

is now
![screen shot 2014-11-04 at 12 53 52](https://cloud.githubusercontent.com/assets/867233/4900006/19015c22-6422-11e4-8ec4-bfc2342060a1.png)

screenshots: http://www.browserstack.com/screenshots/5bda442aac387f699d2677c482cc0ddbd6efa1d5