Examine source code of The purple block.01

{
  "theme": {
    "images": {
      "theme_frame": "d1212-paplblock-004.jpg"
    },
    "colors": {
      "frame": "#eff7c1",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "The purple block.01",
  "manifest_version": 2,
  "description": "パープルブロック。。"
}