Examine source code of Colorful spinning.

{
  "theme": {
    "images": {
      "theme_frame": "a1020-5-seiretusitecolorfl-kurukuru-nol--oo-2.jpg"
    },
    "colors": {
      "frame": "#e2edd5",
      "tab_background_text": "#fafafa"
    }
  },
  "version": "2.0",
  "name": "Colorful spinning.",
  "manifest_version": 2,
  "description": "カラフルくるくる。。"
}