Examine source code of Tulip Tree

{
  "theme": {
    "images": {
      "theme_frame": "tree-flower-spring.2.jpg"
    },
    "colors": {
      "frame": "#f29ee0",
      "tab_background_text": "#f29ee0"
    }
  },
  "version": "2.0",
  "name": "Tulip Tree",
  "manifest_version": 2,
  "description": "Pink Tulip Tree"
}