/*
  cpt-city: gacruxa/mccahon/mccahon-18 (svg)

  Gradients based on integer sequences and traditional Japanese
  colours, by US-based digital artist Gacruxa.

  author: Gacruxa
  copyright: CC BY 3.0
  year: 2014
  url: https://phillips.shef.ac.uk/pub/cpt-city/gacruxa/mccahon
*/
linear-gradient(
  0deg,
  rgb( 21,   6,   0)   0.000%,
  rgb( 36,  18,   8)   3.125%,
  rgb( 58,  36,  19)   6.250%,
  rgb( 83,  56,  33)   9.375%,
  rgb(111,  78,  47)  12.500%,
  rgb(140, 101,  62)  15.625%,
  rgb(166, 123,  77)  18.750%,
  rgb(189, 142,  90)  21.875%,
  rgb(206, 157, 101)  25.000%,
  rgb(219, 170, 112)  25.049%,
  rgb(228, 181, 123)  25.098%,
  rgb(230, 186, 128)  25.122%,
  rgb(234, 194, 138)  25.171%,
  rgb(236, 200, 145)  25.220%,
  rgb(237, 204, 151)  25.269%,
  rgb(238, 206, 152)  25.293%,
  rgb(240, 207, 153)  25.342%,
  rgb(242, 205, 149)  28.418%,
  rgb(244, 201, 141)  31.519%,
  rgb(244, 194, 130)  34.595%,
  rgb(245, 186, 117)  37.671%,
  rgb(245, 178, 104)  40.747%,
  rgb(245, 171,  93)  43.848%,
  rgb(245, 166,  86)  46.924%,
  rgb(245, 164,  83)  50.000%,
  rgb(245, 167,  87)  50.098%,
  rgb(244, 171,  94)  50.171%,
  rgb(243, 180, 108)  50.269%,
  rgb(242, 187, 119)  50.342%,
  rgb(241, 196, 134)  50.440%,
  rgb(240, 202, 143)  50.513%,
  rgb(240, 206, 151)  50.610%,
  rgb(240, 207, 153)  50.684%,
  rgb(241, 203, 149)  53.735%,
  rgb(242, 196, 138)  56.763%,
  rgb(243, 186, 125)  59.815%,
  rgb(245, 175, 109)  62.842%,
  rgb(246, 164,  93)  65.894%,
  rgb(248, 155,  80)  68.921%,
  rgb(249, 148,  71)  71.973%,
  rgb(249, 146,  67)  75.000%,
  rgb(250, 150,  71)  75.098%,
  rgb(253, 160,  83)  75.195%,
  rgb(255, 173,  99)  75.293%,
  rgb(255, 187, 116)  75.391%,
  rgb(255, 197, 129)  75.464%,
  rgb(255, 207, 144)  75.561%,
  rgb(252, 211, 152)  75.659%,
  rgb(240, 207, 153)  75.757%,
  rgb(221, 193, 144)  78.784%,
  rgb(195, 171, 128)  81.811%,
  rgb(164, 142, 106)  84.839%,
  rgb(130, 110,  82)  87.891%,
  rgb( 96,  78,  57)  90.918%,
  rgb( 65,  48,  33)  93.945%,
  rgb( 39,  23,  13)  96.973%,
  rgb( 21,   6,   0) 100.000%
);