URxvt*perl-lib: /home/julien/.config/urxvt/perl/
! Transparency
URxvt*depth: 32
-URxvt*background: [100]DarkGrey
+URxvt*background: [85]Black
! Ctrl-w & Ctrl-Alt-w toggle transparent background
URxvt*keysym.Control-w: command:\033]11;[85]Black\007
URxvt*keysym.Control-M-w: command:\033]11;[100]Black\007