Examine source code of Elemental Bold Fixed

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Elemental Bold Fixed",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(82, 78, 71)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(116, 112, 103)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(46, 44, 39)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(104, 100, 90)",
      "popup": "rgb(68, 65, 59)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(158, 155, 149)",
      "button_background_hover": "rgb(139, 136, 129)",
      "frame_inactive": "rgb(116, 112, 103)",
      "icons_attention": "rgb(226, 225, 223)",
      "icons": "rgb(255, 255, 255)",
      "ntp_background": "rgb(82, 78, 71)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(109, 105, 95)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(100, 97, 92)",
      "sidebar_border": "rgb(117, 116, 122)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(103, 99, 93)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(68, 65, 59)",
      "tab_loading": "rgb(226, 225, 223)",
      "tab_selected": "rgb(68, 65, 59)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(116, 112, 103)",
      "toolbar_field_border_focus": "rgb(20, 174, 197)",
      "toolbar_field_border": "rgb(46, 44, 39)",
      "toolbar_field_focus": "rgb(68, 65, 59)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(47, 113, 119)",
      "toolbar_field_text_focus": "rgb(255, 255, 255)",
      "toolbar_top_separator": "rgb(82, 78, 71)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6e0e5e9d-7f37-4160-8243-d55eb4e661c1}"
    }
  }
}