Examine source code of MaterialFox Orange

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Materialfox Orange",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(78, 54, 36)",
      "toolbar_text": "rgb(255, 155, 34)",
      "frame": "rgb(78, 54, 36)",
      "tab_background_text": "rgb(255, 155, 34)",
      "toolbar_field": "rgb(51, 37, 24)",
      "toolbar_field_text": "rgb(255, 155, 34)",
      "tab_line": "rgb(255, 155, 34)",
      "popup": "rgb(78, 54, 36)",
      "popup_text": "rgb(255, 155, 34)",
      "button_background_active": "rgb(78, 54, 36)",
      "button_background_hover": "rgb(51, 37, 24)",
      "frame_inactive": "rgb(135, 103, 71)",
      "icons_attention": "rgb(255, 155, 34)",
      "icons": "rgb(255, 155, 34)",
      "ntp_background": "rgb(78, 54, 36)",
      "ntp_text": "rgb(255, 155, 34)",
      "popup_border": "rgb(255, 155, 34)",
      "popup_highlight_text": "rgb(78, 54, 36)",
      "popup_highlight": "rgb(255, 155, 34)",
      "tab_loading": "rgb(255, 155, 34)",
      "tab_selected": "rgb(255, 155, 34)",
      "tab_text": "rgb(78, 54, 36)",
      "toolbar_field_border_focus": "rgb(78, 54, 36)",
      "toolbar_field_focus": "rgb(78, 54, 36)",
      "toolbar_field_highlight_text": "rgb(51, 37, 24)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{891545c0-5ac4-4c72-891f-3ff8735b18b2}"
    }
  }
}