Examine source code of Transparent as lace.

{
  "theme": {
    "images": {
      "theme_frame": "0604--frash-siro-waku--oooool4-sysiro.jpg"
    },
    "colors": {
      "frame": "#f5d0d0",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Transparent as lace.",
  "manifest_version": 2,
  "description": "レースのように透けて。。\n\n\n\n0604--frash-siro-waku--oooool4●"
}