/*
  cpt-city: wkp/strat/epochs (cpt)

  colours from the Wikigeologic scales, dates (MYa)
  from wikipedia pages

  author: Sémhur
  copyright: Creative commons attribution share-alike 3.0 unported
  year: 2010
  url: https://phillips.shef.ac.uk/pub/cpt-city/wkp/strat
*/
linear-gradient(
  0deg,
  rgb(254, 254, 228)   0.000%,
  rgb(254, 254, 228)   0.002%,
  rgb(246, 225, 185)   0.002%,
  rgb(246, 225, 185)   0.477%,
  rgb(  9, 120, 171)   0.477%,
  rgb(  9, 120, 171)   0.984%,
  rgb(224, 224, 224)   0.984%,
  rgb(224, 224, 224)   4.249%,
  rgb(254, 208, 109)   4.249%,
  rgb(254, 208, 109)   6.255%,
  rgb(243, 192,  93)   6.255%,
  rgb(243, 192,  93)  10.295%,
  rgb(235, 176,  77)  10.295%,
  rgb(235, 176,  77)  12.085%,
  rgb(197, 229,  71)  12.085%,
  rgb(197, 229,  71)  18.376%,
  rgb( 65, 170,  84)  18.376%,
  rgb( 65, 170,  84)  26.845%,
  rgb(179, 226, 230)  26.845%,
  rgb(179, 226, 230)  29.742%,
  rgb(179, 215, 232)  29.742%,
  rgb(179, 215, 232)  32.398%,
  rgb(  0, 160, 198)  32.398%,
  rgb(  0, 160, 198)  36.827%,
  rgb(228, 197, 225)  36.827%,
  rgb(228, 197, 225)  42.196%,
  rgb(177, 137, 197)  42.196%,
  rgb(177, 137, 197)  45.369%,
  rgb(152,  57, 153)  45.369%,
  rgb(152,  57, 153)  46.310%,
  rgb(250, 154, 163)  46.310%,
  rgb(250, 154, 163)  48.081%,
  rgb(240, 150,  82)  48.081%,
  rgb(240, 150,  82)  49.926%,
  rgb(202,  60,  64)  49.926%,
  rgb(202,  60,  64)  55.166%,
  rgb(153, 196, 181)  55.166%,
  rgb(153, 196, 181)  58.690%,
  rgb(103, 148, 109)  58.690%,
  rgb(103, 148, 109)  66.273%,
  rgb(204, 206, 169)  66.273%,
  rgb(204, 206, 169)  71.089%,
  rgb(153, 165, 109)  71.089%,
  rgb(153, 165, 109)  73.340%,
  rgb(153, 148,  73)  73.340%,
  rgb(153, 148,  73)  76.753%,
  rgb(245, 251, 240)  76.753%,
  rgb(245, 251, 240)  77.251%,
  rgb(226, 244, 224)  77.251%,
  rgb(226, 244, 224)  78.026%,
  rgb(197, 232, 185)  78.026%,
  rgb(197, 232, 185)  79.004%,
  rgb(153, 215, 179)  79.004%,
  rgb(153, 215, 179)  81.864%,
  rgb(102, 192, 146)  81.864%,
  rgb(102, 192, 146)  85.037%,
  rgb( 65, 156, 104)  85.037%,
  rgb( 65, 156, 104)  87.048%,
  rgb(  1, 128,  85)  87.048%,
  rgb(  1, 128,  85)  90.092%,
  rgb(215, 211, 170)  90.092%,
  rgb(215, 211, 170)  92.066%,
  rgb(182, 174, 109)  92.066%,
  rgb(182, 174, 109)  94.096%,
  rgb(102, 169,  75)  94.096%,
  rgb(102, 169,  75) 100.000%
);