Examine source code of Mountains appear.01

{
  "theme": {
    "images": {
      "theme_frame": "a-514-aips-yoake---16-yamasugata-sy.jpg"
    },
    "colors": {
      "frame": "#e6edca",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Mountains appear.01",
  "manifest_version": 2,
  "description": "山が現れる。。"
}