Minor improvement of CI widgets UI

Before:

![Screenshot 2014-10-17 20.20.14](https://dev.gitlab.org/uploads/dzaporozhets/gitlabhq/4770ae1223/Screenshot_2014-10-17_20.20.14.png)

After:

![Screenshot 2014-10-17 20.20.19](https://dev.gitlab.org/uploads/dzaporozhets/gitlabhq/76018ef7f7/Screenshot_2014-10-17_20.20.19.png)

See merge request !1194