Deleted a header menu – now spacing is weird

I deleted a menu in the header area of my home page (from the code in Editor, not from the “Menu” section), which is what I meant to do, but now the spacing of the text of each page/ the formatting on each page is off. I’m (obviously) not experienced w/ code, and I’m using a theme called i-excel. I’d like to know how to either un-delete the header menu, or how to fix the formatting issue and leave the header menu deleted.

Can anyone help? Thank you!