/*
  cpt-city: cb/div/RdGy_10 (cpt)

  Harrower, M., & Brewer, C. A. (2003). ColorBrewer.org:
  An online tool for selecting colour schemes for maps.
  Cartographic Journal, 40(1), 27-37.

  author: Cynthia Brewer, Mark Harrower
  copyright: Apache-style
  year: 2002
  url: https://phillips.shef.ac.uk/pub/cpt-city/cb/div
*/
linear-gradient(
  0deg,
  rgb(103,   0,  31)   0.000%,
  rgb(103,   0,  31)  10.000%,
  rgb(178,  24,  43)  10.000%,
  rgb(178,  24,  43)  20.000%,
  rgb(214,  96,  77)  20.000%,
  rgb(214,  96,  77)  30.000%,
  rgb(244, 165, 130)  30.000%,
  rgb(244, 165, 130)  40.000%,
  rgb(253, 219, 199)  40.000%,
  rgb(253, 219, 199)  50.000%,
  rgb(224, 224, 224)  50.000%,
  rgb(224, 224, 224)  60.000%,
  rgb(186, 186, 186)  60.000%,
  rgb(186, 186, 186)  70.000%,
  rgb(135, 135, 135)  70.000%,
  rgb(135, 135, 135)  80.000%,
  rgb( 77,  77,  77)  80.000%,
  rgb( 77,  77,  77)  90.000%,
  rgb( 26,  26,  26)  90.000%,
  rgb( 26,  26,  26) 100.000%
);