/*
  cpt-city: esri/hillshade/gray (cpt)

  The Color Ramps Version 2.0 collection of cartographic and
  geospatial gradients from GIS specialists, ESRI.

  author: Environmental Systems Research Institute, Inc.
  copyright: Disclaimer, patent prohibition, and US export restrictions apply
  year: 2011
  url: https://phillips.shef.ac.uk/pub/cpt-city/esri/hillshade
*/
linear-gradient(
  0deg,
  rgb(179, 179, 179)   0.000%,
  rgb(179, 179, 179)   0.794%,
  rgb(179, 179, 179)   1.587%,
  rgb(179, 179, 179)   2.381%,
  rgb(179, 179, 179)   3.175%,
  rgb(179, 179, 179)   3.968%,
  rgb(181, 181, 181)   4.762%,
  rgb(181, 181, 181)   5.556%,
  rgb(181, 181, 181)   6.349%,
  rgb(181, 181, 181)   7.143%,
  rgb(184, 184, 184)   7.936%,
  rgb(184, 184, 184)   8.730%,
  rgb(184, 184, 184)   9.524%,
  rgb(184, 184, 184)  10.318%,
  rgb(186, 186, 186)  11.111%,
  rgb(186, 186, 186)  11.905%,
  rgb(186, 186, 186)  12.698%,
  rgb(186, 186, 186)  13.492%,
  rgb(189, 189, 189)  14.286%,
  rgb(189, 189, 189)  15.079%,
  rgb(189, 189, 189)  15.873%,
  rgb(189, 189, 189)  16.667%,
  rgb(191, 191, 191)  17.460%,
  rgb(191, 191, 191)  18.254%,
  rgb(191, 191, 191)  19.048%,
  rgb(191, 191, 191)  19.841%,
  rgb(194, 194, 194)  20.635%,
  rgb(194, 194, 194)  21.429%,
  rgb(194, 194, 194)  22.222%,
  rgb(194, 194, 194)  23.016%,
  rgb(196, 196, 196)  23.809%,
  rgb(196, 196, 196)  24.603%,
  rgb(196, 196, 196)  25.397%,
  rgb(196, 196, 196)  26.191%,
  rgb(199, 199, 199)  26.984%,
  rgb(199, 199, 199)  27.778%,
  rgb(199, 199, 199)  28.571%,
  rgb(199, 199, 199)  29.365%,
  rgb(201, 201, 201)  30.159%,
  rgb(201, 201, 201)  30.952%,
  rgb(201, 201, 201)  31.746%,
  rgb(201, 201, 201)  32.540%,
  rgb(204, 204, 204)  33.333%,
  rgb(204, 204, 204)  34.127%,
  rgb(204, 204, 204)  34.921%,
  rgb(204, 204, 204)  35.714%,
  rgb(207, 207, 207)  36.508%,
  rgb(207, 207, 207)  37.302%,
  rgb(207, 207, 207)  38.095%,
  rgb(207, 207, 207)  38.889%,
  rgb(209, 209, 209)  39.682%,
  rgb(209, 209, 209)  40.476%,
  rgb(209, 209, 209)  41.270%,
  rgb(209, 209, 209)  42.063%,
  rgb(212, 212, 212)  42.857%,
  rgb(212, 212, 212)  43.651%,
  rgb(212, 212, 212)  44.444%,
  rgb(212, 212, 212)  45.238%,
  rgb(214, 214, 214)  46.032%,
  rgb(214, 214, 214)  46.825%,
  rgb(214, 214, 214)  47.619%,
  rgb(214, 214, 214)  48.413%,
  rgb(217, 217, 217)  49.206%,
  rgb(217, 217, 217)  50.000%,
  rgb(217, 217, 217)  50.794%,
  rgb(217, 217, 217)  51.587%,
  rgb(217, 217, 217)  52.381%,
  rgb(217, 217, 217)  53.175%,
  rgb(219, 219, 219)  53.968%,
  rgb(219, 219, 219)  54.762%,
  rgb(219, 219, 219)  55.556%,
  rgb(219, 219, 219)  56.349%,
  rgb(222, 222, 222)  57.143%,
  rgb(222, 222, 222)  57.937%,
  rgb(222, 222, 222)  58.730%,
  rgb(222, 222, 222)  59.524%,
  rgb(224, 224, 224)  60.318%,
  rgb(224, 224, 224)  61.111%,
  rgb(224, 224, 224)  61.905%,
  rgb(224, 224, 224)  62.698%,
  rgb(227, 227, 227)  63.492%,
  rgb(227, 227, 227)  64.286%,
  rgb(227, 227, 227)  65.079%,
  rgb(227, 227, 227)  65.873%,
  rgb(230, 230, 230)  66.667%,
  rgb(230, 230, 230)  67.460%,
  rgb(230, 230, 230)  68.254%,
  rgb(230, 230, 230)  69.048%,
  rgb(232, 232, 232)  69.841%,
  rgb(232, 232, 232)  70.635%,
  rgb(232, 232, 232)  71.429%,
  rgb(232, 232, 232)  72.222%,
  rgb(235, 235, 235)  73.016%,
  rgb(235, 235, 235)  73.809%,
  rgb(235, 235, 235)  74.603%,
  rgb(235, 235, 235)  75.397%,
  rgb(237, 237, 237)  76.191%,
  rgb(237, 237, 237)  76.984%,
  rgb(237, 237, 237)  77.778%,
  rgb(237, 237, 237)  78.571%,
  rgb(240, 240, 240)  79.365%,
  rgb(240, 240, 240)  80.159%,
  rgb(240, 240, 240)  80.952%,
  rgb(240, 240, 240)  81.746%,
  rgb(242, 242, 242)  82.540%,
  rgb(242, 242, 242)  83.333%,
  rgb(242, 242, 242)  84.127%,
  rgb(242, 242, 242)  84.921%,
  rgb(245, 245, 245)  85.714%,
  rgb(245, 245, 245)  86.508%,
  rgb(245, 245, 245)  87.302%,
  rgb(245, 245, 245)  88.095%,
  rgb(247, 247, 247)  88.889%,
  rgb(247, 247, 247)  89.683%,
  rgb(247, 247, 247)  90.476%,
  rgb(247, 247, 247)  91.270%,
  rgb(250, 250, 250)  92.064%,
  rgb(250, 250, 250)  92.857%,
  rgb(250, 250, 250)  93.651%,
  rgb(250, 250, 250)  94.444%,
  rgb(252, 252, 252)  95.238%,
  rgb(252, 252, 252)  96.032%,
  rgb(252, 252, 252)  96.825%,
  rgb(252, 252, 252)  97.619%,
  rgb(255, 255, 255)  98.413%,
  rgb(255, 255, 255)  99.206%,
  rgb(255, 255, 255) 100.000%
);