Examine source code of Wooden table

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Wooden plank",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(102, 48, 13)",
      "toolbar_text": "rgb(255, 189, 110)",
      "frame": "rgb(162, 92, 48)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(255, 255, 255, 0.75)",
      "toolbar_field_text": "rgb(102, 48, 13)",
      "tab_line": "rgb(255, 189, 110)",
      "popup": "rgb(255, 226, 192)",
      "popup_text": "rgb(102, 48, 13)",
      "popup_border": "rgb(102, 48, 13)",
      "toolbar_field_focus": "rgb(255, 255, 255)",
      "tab_loading": "rgb(255, 189, 110)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fa7ca75b-93e1-4616-81b8-2b40db606b24}"
    }
  }
}