Examine source code of Peace tank.

{
  "theme": {
    "images": {
      "theme_frame": "615---greka--y-nuriall-087.jpg"
    },
    "colors": {
      "frame": "#d1cdcd",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Peace tank.",
  "manifest_version": 2,
  "description": "水槽の平和。。。\n。。・・14:28 2011/07/19・・・Taifu.　\n615---greka--y-nuriall-087"
}