/*
  cpt-city: jjg/cbac/seq/cbacGreys05 (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(247, 247, 247)   0.000%,
  rgb(231, 231, 231)  20.000%,
  rgb(220, 220, 220)  20.000%,
  rgb(184, 184, 184)  40.000%,
  rgb(170, 170, 170)  40.000%,
  rgb(131, 131, 131)  60.000%,
  rgb(118, 118, 118)  60.000%,
  rgb( 76,  76,  76)  80.000%,
  rgb( 60,  60,  60)  80.000%,
  rgb( 37,  37,  37) 100.000%
);