Due to the size of the search button, certain window widths will cause the header to overflow into a second row and cover up the main content:

[jayenashar]

    Due to the size of the search button, certain window widths will cause the header to overflow into a second row and cover up the main content:

On a related note: in night mode, the menu icon is black on dark background:

Originally posted by @anitagraser in #241 (comment)

[dimasciput]

I've changed the search text to a search icon; this shouldn't be an issue anymore.