Adding `u-flex` to `drizzle-Nav-header a`. will resolve the awkward size and positioning of the default Nav header at all breakpoints. **Before** <img width="225" alt="before" src="https://user-images.githubusercontent.com/1427548/32399252-d002860a-c0b1-11e7-8d2c-319c0f50170e.png"> **After** <img width="226" alt="after" src="https://user-images.githubusercontent.com/1427548/32399259-d5e10420-c0b1-11e7-879d-d2ab612c4aac.png">