How to delete this colour

My css

[huge chunk of code moderated - please use a pastebin]

I don’t see a red line.

here
https://www.part.lt/perziura/a1c640ecd3ac80b36252547252ea1cfe700.JPG
red line around logo

I assume that’s a linked image, as in that it is clickable and links to a page…

Try adding something like this to the stylesheet…

a img {border:0!important}

thanks, everything works now