/*
  cpt-city: heine/GTS2004 (cpt)

  Geological time scale categorical color scheme

  Timescale: GTS2004 (Gradstein et al., 2004)
  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)   4.632%,
  rgb(230, 244, 127)   4.632%,
  rgb(230, 244, 127)  16.349%,
  rgb(179, 222,  83)  16.349%,
  rgb(179, 222,  83)  18.438%,
  rgb(204, 233, 104)  18.438%,
  rgb(204, 233, 104)  21.617%,
  rgb(191, 227,  93)  21.617%,
  rgb(191, 227,  93)  25.431%,
  rgb(179, 222,  83)  25.431%,
  rgb(179, 222,  83)  30.972%,
  rgb(204, 234, 151)  30.972%,
  rgb(204, 234, 151)  42.234%,
  rgb(191, 228, 138)  42.234%,
  rgb(191, 228, 138)  54.042%,
  rgb(179, 223, 127)  54.042%,
  rgb(179, 223, 127)  58.583%,
  rgb(166, 217, 117)  58.583%,
  rgb(166, 217, 117)  64.396%,
  rgb(153, 211, 106)  64.396%,
  rgb(153, 211, 106)  67.847%,
  rgb(140, 205,  96)  67.847%,
  rgb(140, 205,  96)  72.661%,
  rgb(217, 241, 247)  72.661%,
  rgb(217, 241, 247)  77.475%,
  rgb(204, 236, 244)  77.475%,
  rgb(204, 236, 244)  81.925%,
  rgb(191, 231, 241)  81.925%,
  rgb(191, 231, 241)  86.921%,
  rgb(191, 231, 229)  86.921%,
  rgb(191, 231, 229)  90.100%,
  rgb(179, 226, 227)  90.100%,
  rgb(179, 226, 227)  92.825%,
  rgb(166, 221, 224)  92.825%,
  rgb(166, 221, 224)  96.367%,
  rgb(154, 217, 221)  96.367%,
  rgb(154, 217, 221) 100.000%
);