How can I get
https://mercury.bbspink.com/test/read.cgi/eroaa/1321975128/178
to look as good as
https://4-ch.net/ascii/kareha.pl/1101663781/94
?

I've changed font in firefox to PGothic and font size to 16, and disabled "Allow pages to use their own fonts", but the space between lines is still too big.