Examine source code of Breeze Dark Graphite

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Breeze Dark Graphite",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(49, 54, 59)",
      "toolbar_text": "rgb(252, 252, 252)",
      "frame": "rgb(49, 54, 59)",
      "tab_background_text": "rgb(252, 252, 252)",
      "toolbar_field": "rgb(27, 30, 32)",
      "toolbar_field_text": "rgb(252, 252, 252)",
      "tab_line": "rgba(0, 0, 0, 0)",
      "popup": "rgb(38, 41, 45)",
      "popup_text": "rgb(252, 252, 252)",
      "button_background_active": "rgb(75, 79, 84)",
      "button_background_hover": "rgb(75, 79, 84)",
      "frame_inactive": "rgb(49, 54, 59)",
      "icons_attention": "rgb(61, 174, 233)",
      "icons": "rgb(252, 252, 252)",
      "ntp_background": "rgb(27, 30, 32)",
      "ntp_text": "rgb(252, 252, 252)",
      "popup_border": "rgba(0, 0, 0, 0)",
      "popup_highlight_text": "rgb(252, 252, 252)",
      "popup_highlight": "rgb(38, 41, 45)",
      "sidebar_border": "rgba(0, 0, 0, 0)",
      "sidebar_highlight_text": "rgb(252, 252, 252)",
      "sidebar_highlight": "rgb(61, 174, 233)",
      "sidebar_text": "rgb(252, 252, 252)",
      "sidebar": "rgb(42, 46, 50)",
      "tab_background_separator": "rgba(0, 0, 0, 0)",
      "tab_loading": "rgb(75, 79, 84)",
      "tab_selected": "rgb(75, 79, 84)",
      "tab_text": "rgb(252, 252, 252)",
      "toolbar_bottom_separator": "rgba(255, 0, 255, 0)",
      "toolbar_field_border_focus": "rgba(255, 255, 255, 0)",
      "toolbar_field_border": "rgba(255, 0, 0, 0)",
      "toolbar_field_focus": "rgb(38, 41, 45)",
      "toolbar_field_highlight_text": "rgb(252, 252, 252)",
      "toolbar_field_highlight": "rgb(31, 72, 94)",
      "toolbar_field_separator": "rgba(0, 0, 0, 0)",
      "toolbar_field_text_focus": "rgb(252, 252, 252)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0)",
      "toolbar_vertical_separator": "rgba(0, 0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{594850f5-8628-4802-abc9-056dd60f30da}"
    }
  }
}