This is hacky. I would rather see them (i.e. the search input and the button) have the same height instead.

![scr1](http://abload.de/img/capturedu2014-03-2308bqj2e.png)

The search input bar cannot have an inner input padding. Here is a close-up with `border-radius` disabled on the button:

![scr2](http://abload.de/img/capturedu2014-03-2308zekgk.png)