/*
  cpt-city: gacruxa/osse/osse-15 (svg)

  Gradients based on integer sequences and traditional Japanese
  colours, by US-based digital artist Gacruxa.

  author: Gacruxa
  copyright: CC BY 3.0
  year: 2014
  url: https://phillips.shef.ac.uk/pub/cpt-city/gacruxa/osse
*/
linear-gradient(
  0deg,
  rgb(201, 213, 221)   0.000%,
  rgb(199, 209, 216)  12.500%,
  rgb(196, 202, 209)  25.000%,
  rgb(193, 195, 200)  37.500%,
  rgb(189, 187, 191)  50.000%,
  rgb(185, 179, 182)  62.500%,
  rgb(182, 172, 173)  75.000%,
  rgb(179, 165, 166)  87.500%,
  rgb(177, 161, 161) 100.000%
);