Examine source code of Sakura Tree

{
  "theme": {
    "images": {
      "theme_frame": "IMGP6311.JPG"
    },
    "colors": {
      "frame": "#f708b7",
      "tab_background_text": "#9ffa0d"
    }
  },
  "version": "2.0",
  "name": "Sakura Tree",
  "manifest_version": 2,
  "description": "Michiyo's creation"
}