Examine source code of Matrix Forest

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Matrix Forest",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-029-cc9cab928c1799136d18758709e91ecc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(3, 106, 7)",
      "toolbar_text": "rgb(76, 133, 73)",
      "frame": "rgb(16, 50, 19)",
      "tab_background_text": "rgb(86, 158, 86)",
      "toolbar_field": "rgb(4, 48, 6)",
      "toolbar_field_text": "rgb(128, 255, 143)",
      "tab_line": "rgb(18, 242, 46)",
      "popup": "rgb(0, 67, 4)",
      "popup_text": "rgb(0, 255, 13)",
      "icons_attention": "rgb(0, 98, 1)",
      "tab_loading": "rgb(18, 242, 46)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b5a9ff28-5754-4d67-bc98-93ccde37e396}"
    }
  }
}