Who is the default theme font-family?

[Ивайло Костов]

Who is the default theme font-family?
http://imgur.com/a/hwmCG
I use wine to play Notepad++ on linux, but font`s is difficult to read.
Who is default font, and how change for all language?

[Claudia Frank]

@Ивайло-Костов

the default font is Courier New -> font size 10
but there is no guarantee that this font looks the same on each os/desktop …

Cheers
Claudia