Examine source code of Breeze Darker

{
  "name": " Breeze Darker",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "colors": {
      "tab_line": "#3daee9",
      "toolbar": "#232627",
      "toolbar_field": "#31363b",
      "toolbar_field_text": "#eff0f1",
      "toolbar_bottom_separator": "#31363b",
      "ntp_background": "#232629",
      "ntp_text": "#eff0f1",
      "popup": "#232629",
      "popup_text": "#eff0f1",
      "popup_border": "#31363b",
      "sidebar": "#232629",
      "sidebar_text": "#eff0f1",
      "sidebar_border": "#31363b",
      "frame": "#31363b",
      "tab_background_text": "#eff0f1",
      "bookmark_text": "#eff0f1"
    }
  }
}