Examine source code of White frame. .

{
  "theme": {
    "images": {
      "theme_frame": "0422-koi--spwaku.jpg"
    },
    "colors": {
      "frame": "#f0f2bd",
      "tab_background_text": "#e5eb92"
    }
  },
  "version": "2.0",
  "name": "White frame. .",
  "manifest_version": 2,
  "description": "しろい枠。。\n\n\n\n0422-koi--spwaku●"
}