/*
  cpt-city: go2/button/b-077-013 (cpt)

  Two-tone grey gradients for buttons from the LiquidCity
  blog by Go Squared

  author: GoSquared
  copyright: Attribution requested
  year: 2009
  url: https://phillips.shef.ac.uk/pub/cpt-city/go2/button
*/
linear-gradient(
  0deg,
  rgb( 77,  77,  77)   0.000%,
  rgb( 26,  26,  26)  50.000%,
  rgb(  0,   0,   0)  50.000%,
  rgb( 13,  13,  13) 100.000%
);