// cpt-city: fg/vg2 (ggr)
//
// Gradients to make customised versions of the Windows Vista
// login button
//
// author: George Kemp
// copyright: Credit requested
// year: 2009
// url: https://phillips.shef.ac.uk/pub/cpt-city/fg
#declare Vistabutton3 =
color_map {
  [0.00000 color rgbf <0.6745,0.8980,0.9765,0.0000>]
  [0.50000 color rgbf <0.4353,0.8157,0.9255,0.0000>]
  [1.00000 color rgbf <0.1961,0.7333,0.8745,0.0000>]
}