Examine source code of The sunset sky. .

{
  "theme": {
    "images": {
      "theme_frame": "1219-yuuyakeiro-2.jpg"
    },
    "colors": {
      "frame": "#c9e1f0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "The sunset sky. .",
  "manifest_version": 2,
  "description": "夕焼け空。。\n\n\n\n\n1219-yuuyakeiro-2-"
}