Navigation bar Height change influence the position of 3 icons

1. Install 7.3 and login with Admin.
2. Go to /xwiki/bin/edit/FlamingoThemes/Charcoal and click on Navigation Bar.
3. Add into @navbar-height: 15
4. Now, check the black top navigation bar (on the same row with xwiki logo).

Actual result:
There are 3 icons that don`t keep the static position when you modify the navigation bar height: Search, Profile picture, Menu icons. You will notice that the search and menu icons are under the profile picture. (image attached).