/*
  cpt-city: pm/pm3d08 (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(  0,   0,   0)   0.000%,
  rgb(  0,   0,  16)   1.587%,
  rgb(  0,   0,  32)   3.175%,
  rgb(  0,   0,  49)   4.762%,
  rgb(  0,   0,  65)   6.349%,
  rgb(  0,   0,  81)   7.936%,
  rgb(  0,   0,  97)   9.524%,
  rgb(  0,   0, 113)  11.111%,
  rgb(  0,   0, 130)  12.698%,
  rgb(  0,   0, 146)  14.286%,
  rgb(  0,   0, 162)  15.873%,
  rgb(  0,   0, 178)  17.460%,
  rgb(  0,   0, 194)  19.048%,
  rgb(  0,   0, 210)  20.635%,
  rgb(  0,   0, 227)  22.222%,
  rgb(  0,   0, 243)  23.809%,
  rgb(  0,   4, 251)  25.397%,
  rgb(  0,  20, 235)  26.984%,
  rgb(  0,  36, 219)  28.571%,
  rgb(  0,  53, 202)  30.159%,
  rgb(  0,  69, 186)  31.746%,
  rgb(  0,  85, 170)  33.333%,
  rgb(  0, 101, 154)  34.921%,
  rgb(  0, 117, 138)  36.508%,
  rgb(  0, 134, 121)  38.095%,
  rgb(  0, 150, 105)  39.682%,
  rgb(  0, 166,  89)  41.270%,
  rgb(  0, 182,  73)  42.857%,
  rgb(  0, 198,  57)  44.444%,
  rgb(  0, 215,  40)  46.032%,
  rgb(  0, 231,  24)  47.619%,
  rgb(  0, 247,   8)  49.206%,
  rgb(  8, 247,   0)  50.794%,
  rgb( 24, 231,   0)  52.381%,
  rgb( 40, 215,   0)  53.968%,
  rgb( 57, 198,   0)  55.556%,
  rgb( 73, 182,   0)  57.143%,
  rgb( 89, 166,   0)  58.730%,
  rgb(105, 150,   0)  60.318%,
  rgb(121, 134,   0)  61.905%,
  rgb(138, 117,   0)  63.492%,
  rgb(154, 101,   0)  65.079%,
  rgb(170,  85,   0)  66.667%,
  rgb(186,  69,   0)  68.254%,
  rgb(202,  53,   0)  69.841%,
  rgb(219,  36,   0)  71.429%,
  rgb(235,  20,   0)  73.016%,
  rgb(251,   4,   0)  74.603%,
  rgb(255,  12,  12)  76.191%,
  rgb(255,  28,  28)  77.778%,
  rgb(255,  45,  45)  79.365%,
  rgb(255,  61,  61)  80.952%,
  rgb(255,  77,  77)  82.540%,
  rgb(255,  93,  93)  84.127%,
  rgb(255, 109, 109)  85.714%,
  rgb(255, 125, 125)  87.302%,
  rgb(255, 142, 142)  88.889%,
  rgb(255, 158, 158)  90.476%,
  rgb(255, 174, 174)  92.064%,
  rgb(255, 190, 190)  93.651%,
  rgb(255, 206, 206)  95.238%,
  rgb(255, 223, 223)  96.825%,
  rgb(255, 239, 239)  98.413%,
  rgb(255, 255, 255) 100.000%
);