Examine source code of Appleblossom tree

{
  "theme": {
    "images": {
      "theme_frame": "3.jpg"
    },
    "colors": {
      "frame": "#77d1c5",
      "tab_background_text": "#0d0669"
    }
  },
  "version": "2.0",
  "name": "Appleblossom tree",
  "manifest_version": 2,
  "description": "Based on a photo of last years apple blossom."
}