Examine source code of Warframe - Orokin

{
  "name": "Warframe - Orokin",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "warframe.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "ntp_background": "black",
      "ntp_text": "white",
      "tab_background_text": "white",
      "tab_line": "#d3ad64",
      "frame": "black",
      "frame_inactive": "black",
      "tab_text": "white",
      "icons": "#d3ad64",
      "toolbar": "rgba(0, 0, 0, 0.5)",
      "toolbar_field_border": "#d3ad64",
      "toolbar_field": "black",
      "toolbar_field_text": "white",
      "toolbar_field_highlight_text": "white",
      "toolbar_field_highlight": "#d3ad64",
      "bookmark_text": "white",
      "popup": "black",
      "popup_text": "white",
      "popup_border": "#d3ad64",
      "popup_highlight": "#d3ad64",
      "popup_highlight_text": "black",
      "tab_loading": "#d3ad64",
      "ntb_text": "white",
      "ntb_background": "black",
      "sidebar": "black",
      "sidebar_border": "#d3ad64",
      "sidebar_text": "white",
      "sidebar_highlight": "#d3ad64",
      "sidebar_highlight_text": "black"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fe113674-ee85-4d74-987b-33ca00bb19fa}"
    }
  }
}