Tweaks margins/paddings in container_meta

Made them consistent with `container__title` so badges line up correctly

### Before

![screen shot 2014-09-24 at 13 07 41](https://cloud.githubusercontent.com/assets/74132/4387867/6997c55e-43e3-11e4-87fb-de1eac7f45f7.png)

## After

![screen shot 2014-09-24 at 13 07 45](https://cloud.githubusercontent.com/assets/74132/4387868/6d41cca4-43e3-11e4-9768-76e5f0e48e63.png)