[Default Applications]
text/html=firefox.desktop
x-scheme-handler/http=firefox.desktop
x-scheme-handler/https=firefox.desktop
x-scheme-handler/about=firefox.desktop
x-scheme-handler/unknown=firefox.desktop
video/*=mpv.desktop
application/pdf=org.pwmt.zathura-pdf-mupdf.desktop

[Added Associations]
video/*=mpv.desktop;
application/pdf=org.pwmt.zathura-pdf-mupdf.desktop;