ApiKey error not looking very good

<img width="788" alt="Screen Shot 2019-04-10 at 17 55 52" src="https://user-images.githubusercontent.com/10999/55894196-fa6c7500-5bb9-11e9-8636-e1d90362b1aa.png">

Seems like there is a margin missing between input and error box, and the formatting of the message in the error box. 