/*
  cpt-city: jjg/cbac/seq/cbacGreys04 (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)  25.000%,
  rgb(220, 220, 220)  25.000%,
  rgb(184, 184, 184)  50.000%,
  rgb(170, 170, 170)  50.000%,
  rgb(125, 125, 125)  75.000%,
  rgb(108, 108, 108)  75.000%,
  rgb( 82,  82,  82) 100.000%
);