/*
  cpt-city: heine/Exxon88 (cpt)

  Geological time scale categorical color scheme

  Timescale: Exxon 1988 (Haq et al., 1987)
  Given are tops of STAGES in millions of years before present

  author: Christian Heine
  copyright: CC BY-SA 4.0
  year: 2025
  url: https://phillips.shef.ac.uk/pub/cpt-city/heine
*/
linear-gradient(
  0deg,
  rgb(242, 250, 140)   0.000%,
  rgb(242, 250, 140)   6.667%,
  rgb(230, 244, 127)   6.667%,
  rgb(230, 244, 127)  15.556%,
  rgb(179, 222,  83)  15.556%,
  rgb(179, 222,  83)  19.111%,
  rgb(204, 233, 104)  19.111%,
  rgb(204, 233, 104)  20.000%,
  rgb(191, 227,  93)  20.000%,
  rgb(191, 227,  93)  22.667%,
  rgb(179, 222,  83)  22.667%,
  rgb(179, 222,  83)  26.222%,
  rgb(204, 234, 151)  26.222%,
  rgb(204, 234, 151)  36.889%,
  rgb(191, 228, 138)  36.889%,
  rgb(191, 228, 138)  41.333%,
  rgb(179, 223, 127)  41.333%,
  rgb(179, 223, 127)  44.444%,
  rgb(166, 217, 117)  44.444%,
  rgb(166, 217, 117)  48.444%,
  rgb(153, 211, 106)  48.444%,
  rgb(153, 211, 106)  54.667%,
  rgb(140, 205,  96)  54.667%,
  rgb(140, 205,  96)  57.333%,
  rgb(217, 241, 247)  57.333%,
  rgb(217, 241, 247)  61.778%,
  rgb(204, 236, 244)  61.778%,
  rgb(204, 236, 244)  69.778%,
  rgb(191, 231, 241)  69.778%,
  rgb(191, 231, 241)  76.000%,
  rgb(191, 231, 229)  76.000%,
  rgb(191, 231, 229)  80.444%,
  rgb(179, 226, 227)  80.444%,
  rgb(179, 226, 227)  87.556%,
  rgb(166, 221, 224)  87.556%,
  rgb(166, 221, 224)  92.889%,
  rgb(154, 217, 221)  92.889%,
  rgb(154, 217, 221) 100.000%
);