The Selector abstraction currently recognises the following style attributes:
; fg and bg colours in highlighted states *activeForeground: black *activeBackground: grey80 ; fg and bg colours in idle state *background: grey70 *foreground: black ; colour to grey *disabledForeground: grey50 ; border widths (if applic.) *borderWidth: 2 *activeBorderWidth: 2 ; shadowed relief *relief: raised ; how much space between label ;borders *hSpace: 10 *vSpace: 20 ; initially enabled? *state: True