/*
  cpt-city: pm/f-33-13-10 (cpt)

  Various gradients from Gnuplot: the original default pm3d
  colour gradient by Petr Mikulík from Masaryk University,
  nice rgb schemes listed in “help palette rgbformulae”
  and gradients from the pm3dcolors.dem demo script

  author: Petr Mikulik
  copyright: GPLv2
  year: 2006
  url: https://phillips.shef.ac.uk/pub/cpt-city/pm
*/
linear-gradient(
  0deg,
  rgb(128,   0, 255)   0.000%,
  rgb(119,  13, 255)   1.587%,
  rgb(111,  25, 255)   3.175%,
  rgb(103,  38, 254)   4.762%,
  rgb( 95,  51, 254)   6.349%,
  rgb( 87,  63, 253)   7.936%,
  rgb( 79,  75, 252)   9.524%,
  rgb( 71,  87, 251)  11.111%,
  rgb( 63,  99, 250)  12.698%,
  rgb( 55, 111, 249)  14.286%,
  rgb( 47, 122, 247)  15.873%,
  rgb( 38, 133, 245)  17.460%,
  rgb( 30, 144, 244)  19.048%,
  rgb( 22, 154, 242)  20.635%,
  rgb( 14, 164, 240)  22.222%,
  rgb(  6, 173, 237)  23.809%,
  rgb(  2, 183, 235)  25.397%,
  rgb( 10, 191, 232)  26.984%,
  rgb( 18, 199, 230)  28.571%,
  rgb( 26, 207, 227)  30.159%,
  rgb( 34, 214, 224)  31.746%,
  rgb( 42, 221, 221)  33.333%,
  rgb( 51, 227, 218)  34.921%,
  rgb( 59, 232, 214)  36.508%,
  rgb( 67, 237, 211)  38.095%,
  rgb( 75, 242, 207)  39.682%,
  rgb( 83, 245, 203)  41.270%,
  rgb( 91, 249, 199)  42.857%,
  rgb( 99, 251, 195)  44.444%,
  rgb(107, 253, 191)  46.032%,
  rgb(115, 254, 187)  47.619%,
  rgb(123, 255, 183)  49.206%,
  rgb(132, 255, 178)  50.794%,
  rgb(140, 254, 173)  52.381%,
  rgb(148, 253, 169)  53.968%,
  rgb(156, 251, 164)  55.556%,
  rgb(164, 249, 159)  57.143%,
  rgb(172, 245, 154)  58.730%,
  rgb(180, 242, 149)  60.318%,
  rgb(188, 237, 144)  61.905%,
  rgb(196, 232, 138)  63.492%,
  rgb(204, 227, 133)  65.079%,
  rgb(212, 221, 128)  66.667%,
  rgb(221, 214, 122)  68.254%,
  rgb(229, 207, 116)  69.841%,
  rgb(237, 199, 111)  71.429%,
  rgb(245, 191, 105)  73.016%,
  rgb(253, 183,  99)  74.603%,
  rgb(255, 173,  93)  76.191%,
  rgb(255, 164,  87)  77.778%,
  rgb(255, 154,  81)  79.365%,
  rgb(255, 144,  75)  80.952%,
  rgb(255, 133,  69)  82.540%,
  rgb(255, 122,  63)  84.127%,
  rgb(255, 111,  57)  85.714%,
  rgb(255,  99,  51)  87.302%,
  rgb(255,  87,  44)  88.889%,
  rgb(255,  75,  38)  90.476%,
  rgb(255,  63,  32)  92.064%,
  rgb(255,  51,  25)  93.651%,
  rgb(255,  38,  19)  95.238%,
  rgb(255,  25,  13)  96.825%,
  rgb(255,  13,   6)  98.413%,
  rgb(255,   0,   0) 100.000%
);