Fix mis-alignment of the SSO login-button

![bad-nav-1](https://f.cloud.github.com/assets/96099/573189/d152e18e-c7ab-11e2-8b00-7ae3135c0779.jpg)
Bad

![good-nav-1](https://f.cloud.github.com/assets/96099/573188/ceab734c-c7ab-11e2-9f44-66fabcabe7bf.jpg)
Good