/*
  cpt-city: h5/copper (cpt)

  Colour tables from the h5utils package

  author: Steven G. Johnson
  copyright: MIT
  year: 2009
  url: https://phillips.shef.ac.uk/pub/cpt-city/h5
*/
linear-gradient(
  0deg,
  rgb(  0,   0,   0)   0.000%,
  rgb(  5,   3,   2)   1.587%,
  rgb( 10,   6,   4)   3.175%,
  rgb( 15,   9,   6)   4.762%,
  rgb( 20,  12,   8)   6.349%,
  rgb( 25,  15,  10)   7.936%,
  rgb( 30,  18,  12)   9.524%,
  rgb( 35,  22,  14)  11.111%,
  rgb( 40,  25,  16)  12.698%,
  rgb( 45,  28,  18)  14.286%,
  rgb( 50,  31,  20)  15.873%,
  rgb( 55,  34,  22)  17.460%,
  rgb( 60,  37,  24)  19.048%,
  rgb( 65,  41,  26)  20.635%,
  rgb( 70,  44,  28)  22.222%,
  rgb( 75,  47,  30)  23.809%,
  rgb( 80,  50,  32)  25.397%,
  rgb( 86,  53,  34)  26.984%,
  rgb( 91,  56,  36)  28.571%,
  rgb( 96,  60,  38)  30.159%,
  rgb(101,  63,  40)  31.746%,
  rgb(106,  66,  42)  33.333%,
  rgb(111,  69,  44)  34.921%,
  rgb(116,  72,  46)  36.508%,
  rgb(121,  75,  48)  38.095%,
  rgb(126,  79,  50)  39.682%,
  rgb(131,  82,  52)  41.270%,
  rgb(136,  85,  54)  42.857%,
  rgb(141,  88,  56)  44.444%,
  rgb(146,  91,  58)  46.032%,
  rgb(151,  94,  60)  47.619%,
  rgb(156,  98,  62)  49.206%,
  rgb(161, 101,  64)  50.794%,
  rgb(166, 104,  66)  52.381%,
  rgb(172, 107,  68)  53.968%,
  rgb(177, 110,  70)  55.556%,
  rgb(182, 113,  72)  57.143%,
  rgb(187, 116,  74)  58.730%,
  rgb(192, 120,  76)  60.318%,
  rgb(197, 123,  78)  61.905%,
  rgb(202, 126,  80)  63.492%,
  rgb(207, 129,  82)  65.079%,
  rgb(212, 132,  84)  66.667%,
  rgb(217, 135,  86)  68.254%,
  rgb(222, 139,  88)  69.841%,
  rgb(227, 142,  90)  71.429%,
  rgb(232, 145,  92)  73.016%,
  rgb(237, 148,  94)  74.603%,
  rgb(242, 151,  96)  76.191%,
  rgb(247, 154,  98)  77.778%,
  rgb(252, 158, 100)  79.365%,
  rgb(255, 161, 102)  80.952%,
  rgb(255, 164, 104)  82.540%,
  rgb(255, 167, 106)  84.127%,
  rgb(255, 170, 108)  85.714%,
  rgb(255, 173, 110)  87.302%,
  rgb(255, 177, 112)  88.889%,
  rgb(255, 180, 114)  90.476%,
  rgb(255, 183, 116)  92.064%,
  rgb(255, 186, 118)  93.651%,
  rgb(255, 189, 120)  95.238%,
  rgb(255, 192, 122)  96.825%,
  rgb(255, 196, 124)  98.413%,
  rgb(255, 199, 126) 100.000%
);