Examine source code of The Rainbow

{
  "name": " The Rainbow ",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "http _orig15.deviantart.net_204e_f_2015_205_a_f_free_youtube_banner_by_sir_spae-d92mhap.png"
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(232, 121, 121, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "frame": "rgba(0, 81, 255, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(255, 0, 0, 1)"
    }
  }
}