/*
  cpt-city: jjg/cbac/seq/cbacGreys03 (cpt)

  Almost continuous versions of Cynthia Brewer's sequential schemes

  author: J.J. Green
  copyright: Apache-like
  year: 2004
  url: https://phillips.shef.ac.uk/pub/cpt-city/jjg/cbac/seq
*/
linear-gradient(
  0deg,
  rgb(240, 240, 240)   0.000%,
  rgb(221, 221, 221)  33.333%,
  rgb(208, 208, 208)  33.333%,
  rgb(155, 155, 155)  66.667%,
  rgb(133, 133, 133)  66.667%,
  rgb( 99,  99,  99) 100.000%
);