/*
  cpt-city: usgs/usgs-gswa2 (cpt)

  A land elevation scheme used by the U.S. Geological Survey
  with modified variants by Dr. Richard L. Langford for the
  Geological Survey of Western Australia

  author: U.S. Geological Survey, R. Langford
  copyright: Creative Commons Attribution-NonCommercial 3.0 unported
  year: 2021
  url: https://phillips.shef.ac.uk/pub/cpt-city/usgs
*/
linear-gradient(
  0deg,
  rgb(127, 159, 101)   0.000%,
  rgb(130, 174, 106)   4.800%,
  rgb(160, 194, 122)   9.500%,
  rgb(186, 214, 140)  14.300%,
  rgb(207, 226, 156)  19.000%,
  rgb(224, 233, 166)  23.800%,
  rgb(237, 236, 166)  28.600%,
  rgb(242, 228, 159)  33.300%,
  rgb(240, 210, 144)  38.100%,
  rgb(230, 188, 136)  42.900%,
  rgb(216, 165, 133)  47.600%,
  rgb(197, 149, 138)  52.400%,
  rgb(217, 165, 146)  57.100%,
  rgb(227, 181, 153)  61.900%,
  rgb(233, 196, 160)  66.700%,
  rgb(234, 208, 170)  71.400%,
  rgb(230, 214, 182)  76.200%,
  rgb(228, 218, 194)  81.000%,
  rgb(230, 219, 206)  85.700%,
  rgb(240, 220, 220)  90.500%,
  rgb(250, 230, 237)  95.200%,
  rgb(255, 255, 255) 100.000%
);