Examine source code of All important piece. .

{
  "theme": {
    "images": {
      "theme_frame": "0227-ohayoaya4-gra3.jpg"
    },
    "colors": {
      "frame": "#f5c7c7",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "All important piece. .",
  "manifest_version": 2,
  "description": "すべて大切な一片。。\n\n\n\n0227-ohayoaya4-gra3●"
}