Examine source code of Vintage Ice Tree 2009

{
  "theme": {
    "images": {
      "theme_frame": "SR-IceTreec2009.jpg"
    },
    "colors": {
      "frame": "#008877",
      "tab_background_text": "#33bbaa"
    }
  },
  "version": "2.0",
  "name": "Vintage Ice Tree 2009",
  "manifest_version": 2,
  "description": "An older frosty white Christmas tree, decorated in subdued silver, white and gold baubles, with shards of icicles and dinner-plate 'ice' snowflakes. The hint of color? Jadeite blue-green lights twinkle amongst the clear..."
}