By default bbdate reads the Blackbox style-file as defined in
~/.blackboxrc and copies as much of the style as possible. The
result is an application which looks a lot like the toolbar.
If the resource bbdate.autoConfig is set to true the tool will
periodically check if the main config files, ~/.blackboxrc for
Blackbox users and the file specified in ~/.bbtoolsrc for other WM's
to see if they have changed. If so bbdate will reconfigure.
Copying the look of the Blackbox toolbar
bbdate automatically copies the style of the blackbox toolbar. It