+! Special case for urxvt to get transparent background. This requires a
+! compositing manager which supports transparency like compton. Thanks to eto
+! and adaedra in #herblstuftwm on Freenode (2014-05-04 15:50 ff) for their
+! awesome help regarding transparency.
+Rxvt*background: [90]#000000
+! Necessary for transparency, see man page.
+Rxvt*depth: 32
+