/*
  cpt-city: xkcd/xkcd-painbow (cpt)

  Randall Munroe's painbow scheme as used in XKCD episode
  2537, Painbow Award

  author: Randall Munroe
  copyright: Creative Commons Attribution-NonCommercial 2.5 Generic
  year: 2012
  url: https://phillips.shef.ac.uk/pub/cpt-city/xkcd
*/
linear-gradient(
  0deg,
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  rgb(231, 234, 220) 100.000%
);