Reading PDF books
I read a lot of PDF books, to help with eye strain I would like to invert the PDF so that the text is white on black background. How do I do this ?
I read a lot of PDF books, to help with eye strain I would like to invert the PDF so that the text is white on black background. How do I do this ?
the suggestions menu suddenly started covering the url bar. any ideas how to fix that? it just happened overnight. I changed absolutely nothing.