Examine source code of Fireglobe

{
  "name": "Fireglobe",
  "manifest_version": 2,
  "version": "10.0",
  "description": "The new Firefox logo.",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(40, 40, 40, 0.6)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.79)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "toolbar_field_text_focus": "rgba(255, 255, 255, 1)",
      "tab_loading": "rgba(215, 91, 0, 1)",
      "popup_highlight": "rgba(215, 91, 0, 1)",
      "icons": "rgba(255, 255, 255, 1)",
      "icons_attention": "rgba(215, 91, 0, 1)",
      "toolbar_bottom_separator": "rgba(95, 95, 95, 1)",
      "toolbar_field_border_focus": "rgba(95, 95, 95, 1)",
      "toolbar_field_separator": "rgba(95, 95, 95, 1)",
      "toolbar_top_separator": "rgba(95, 95, 95, 1)",
      "toolbar_vertical_separator": "rgba(95, 95, 95, 1)",
      "toolbar_field_highlight_text": "rgba(255, 255, 255, 1)",
      "ntp_background": "rgba(47, 47, 47, 1)",
      "popup": "rgba(47, 47, 47, 1)",
      "popup_border": "rgba(95, 95, 95, 1)",
      "tab_text": "rgba(255, 255, 255, 1)",
      "tab_selected": "rgba(25, 25, 25, 0.6)",
      "toolbar_field_highlight": "rgba(215, 91, 0, 1)",
      "popup_highlight_text": "rgba(255, 255, 255, 1)",
      "popup_text": "rgba(255, 255, 255, 1)",
      "button_background_hover": "rgba(0, 0, 0, 1)",
      "sidebar_border": "rgba(95, 95, 95, 1)",
      "sidebar": "rgba(47, 47, 47, 1)",
      "tab_line": "rgba(215, 91, 0, 1)",
      "toolbar_field_border": "rgba(95, 95, 95, 1)",
      "toolbar_field_focus": "rgba(31, 31, 31, 1)",
      "ntp_text": "rgba(255, 255, 255, 1)",
      "sidebar_highlight": "rgba(215, 91, 0, 1)",
      "sidebar_text": "rgba(255, 255, 255, 1)",
      "sidebar_highlight_text": "rgba(255, 255, 255, 1)",
      "tab_background_separator": "rgba(255, 255, 255, 1)",
      "button_background_active": "rgba(47, 47, 47, 1)"
    }
  }
}