/*
  cpt-city: ncl/BlueDarkRed18 (cpt)

  Colour-tables from NCL (NCAR Command Language), an open-source
  interpreted language designed specifically for scientific data
  analysis and visualisation

  author: University Corporation for Atmospheric Research (UCAR)
  copyright: Custom open-source
  year: 2011
  url: https://phillips.shef.ac.uk/pub/cpt-city/ncl
*/
linear-gradient(
  0deg,
  rgb( 36,   0, 216)   0.000%,
  rgb( 36,   0, 216)   5.882%,
  rgb( 24,  28, 247)   5.882%,
  rgb( 24,  28, 247)  11.765%,
  rgb( 40,  87, 255)  11.765%,
  rgb( 40,  87, 255)  17.647%,
  rgb( 61, 135, 255)  17.647%,
  rgb( 61, 135, 255)  23.529%,
  rgb( 86, 176, 255)  23.529%,
  rgb( 86, 176, 255)  29.412%,
  rgb(117, 211, 255)  29.412%,
  rgb(117, 211, 255)  35.294%,
  rgb(153, 234, 255)  35.294%,
  rgb(153, 234, 255)  41.176%,
  rgb(188, 249, 255)  41.176%,
  rgb(188, 249, 255)  47.059%,
  rgb(234, 255, 255)  47.059%,
  rgb(234, 255, 255)  52.941%,
  rgb(255, 255, 234)  52.941%,
  rgb(255, 255, 234)  58.824%,
  rgb(255, 241, 188)  58.824%,
  rgb(255, 241, 188)  64.706%,
  rgb(255, 214, 153)  64.706%,
  rgb(255, 214, 153)  70.588%,
  rgb(255, 172, 117)  70.588%,
  rgb(255, 172, 117)  76.471%,
  rgb(255, 120,  86)  76.471%,
  rgb(255, 120,  86)  82.353%,
  rgb(255,  61,  61)  82.353%,
  rgb(255,  61,  61)  88.235%,
  rgb(247,  39,  53)  88.235%,
  rgb(247,  39,  53)  94.118%,
  rgb(216,  21,  47)  94.118%,
  rgb(216,  21,  47) 100.000%
);