[Unit]
Description=Miscellaneous settings for X11 on %I
PartOf=graphical-session@%i.target

[Service]
Environment=DISPLAY=%I
ExecStart=/usr/bin/xset -b
ExecStart=/usr/bin/xdg-mime default firefox.desktop x-scheme-handler/http x-scheme-handler/https text/html
ExecStart=/usr/bin/xdg-mime default emacsmail.desktop x-scheme-handler/mailto
ExecStart=/usr/bin/xdg-mime default org.gnome.Evince.desktop application/pdf
ExecStart=/usr/bin/xdg-mime default gpicview.desktop image/png image/jpeg image/jpg image/gif image/webp
Type=oneshot
RemainAfterExit=false