Examine source code of It continues far.

{
  "theme": {
    "images": {
      "theme_frame": "d101020hew-yama-55rinkak-55saidoz-sayu.jpg"
    },
    "colors": {
      "frame": "#f7eded",
      "tab_background_text": "#f5f4bf"
    }
  },
  "version": "2.0",
  "name": "It continues far.",
  "manifest_version": 2,
  "description": "はるかに続く。。"
}