Examine source code of MaterialFox Deep Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Materialfox Blue",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(46, 61, 75)",
      "toolbar_text": "rgb(208, 241, 255)",
      "frame": "rgb(31, 62, 86)",
      "tab_background_text": "rgb(208, 241, 255)",
      "toolbar_field": "rgb(208, 241, 255)",
      "toolbar_field_text": "rgb(46, 61, 75)",
      "tab_line": "rgb(208, 241, 255)",
      "popup": "rgb(46, 61, 75)",
      "popup_text": "rgb(208, 241, 255)",
      "button_background_active": "rgb(31, 62, 86)",
      "icons_attention": "rgb(208, 241, 255)",
      "icons": "rgb(208, 241, 255)",
      "ntp_background": "rgb(46, 61, 75)",
      "ntp_text": "rgb(208, 241, 255)",
      "popup_border": "rgb(208, 241, 255)",
      "popup_highlight": "rgb(208, 241, 255)",
      "tab_loading": "rgb(208, 241, 255)",
      "tab_selected": "rgb(46, 61, 75)",
      "tab_text": "rgb(208, 241, 255)",
      "toolbar_field_border_focus": "rgb(46, 61, 75)",
      "toolbar_field_focus": "rgb(208, 241, 255)",
      "toolbar_field_highlight_text": "rgb(208, 241, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{734400ef-135a-4058-82d9-36fe51c9b623}"
    }
  }
}