The navbar feels kind of cramped, IMO. I don't know how to work on this site locally, but I hacked a prototype in Chromium devtools.
Before:
![before](https://user-images.githubusercontent.com/181177/63644739-55ec5a80-c6a4-11e9...)
After:
![after](https://user-images.githubusercontent.com/181177/63644741-5e449580-c6a4-11e9...)
I made the following changes:
- On the logo image I set the top, right and bottom margins to `.5em` - On the logo text I set the `line-height` to `2em` (FIXME: not perfectly centered vertically) - On the anchors in the nav menu, I set `line-height` to `3em`. - On the nav menu `<ul>` I added the class `navbar-right`.