Topbar overhang widescreen

Before:
![before-overhang](https://cloud.githubusercontent.com/assets/20818/3786712/97ab306a-19e1-11e4-8f56-adf19e9f3f6d.png)

After:
![after-overhang](https://cloud.githubusercontent.com/assets/20818/3786715/9f66b7d4-19e1-11e4-829e-322de108538c.png)