Examine source code of FURIA Esports

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "FURIA",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_text": "rgb(225, 225, 225)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(200, 200, 200)",
      "toolbar_field": "rgba(0, 0, 0, 0.7)",
      "toolbar_field_text": "rgb(225, 225, 225)",
      "tab_line": "rgb(0, 11, 206)",
      "popup": "rgb(225, 225, 225)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgb(0, 0, 0)",
      "icons": "rgb(225, 225, 225)",
      "ntp_background": "rgb(15, 15, 15)",
      "ntp_text": "rgb(225, 225, 225)",
      "popup_border": "rgb(18, 18, 18)",
      "popup_highlight_text": "rgb(225, 225, 225)",
      "sidebar_border": "rgb(225, 225, 225)",
      "sidebar_highlight_text": "rgb(18, 18, 18)",
      "sidebar_highlight": "rgb(18, 18, 18)",
      "sidebar_text": "rgb(18, 18, 18)",
      "sidebar": "rgb(0, 0, 0)",
      "tab_loading": "rgb(0, 11, 206)",
      "tab_selected": "rgb(225, 225, 225)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_bottom_separator": "rgb(225, 225, 225)",
      "toolbar_field_border": "rgba(0, 0, 0, 0)",
      "toolbar_field_focus": "rgb(0, 0, 0)",
      "toolbar_field_highlight_text": "rgb(225, 225, 225)",
      "toolbar_field_highlight": "rgb(0, 11, 206)",
      "toolbar_field_text_focus": "rgb(225, 225, 225)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2a7739f8-6e23-4fb9-be9a-e654158660fc}"
    }
  }
}