Describe the bug
search box reachable from the navigation is visible by default hiding project name/description

To Reproduce
Steps to reproduce the behavior:

1. Go to https://eclipsefdn.github.io/jekyll-theme-eclipsefdn/
2. See error: search box is visible

Expected behavior
search box is hidden and one can read project name/title/description

Screenshots

likely caused by 0396f44#diff-1fb81cf8659ac86d5cf0db07d7b99daf22bde7f677b205df2cbef0689151fac3R89