Examine source code of Complex frame. .

{
  "theme": {
    "images": {
      "theme_frame": "1103--mt-blue-gakooo-sangaku-asa.jpg"
    },
    "colors": {
      "frame": "#d1edce",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Complex frame. .",
  "manifest_version": 2,
  "description": "複雑な枠。。\n\n1103-fukuzatugak-sangaku-asa"
}