Examine source code of Wolf in blue

{
  "theme": {
    "images": {
      "theme_frame": "Unbenannt3.jpg"
    },
    "colors": {
      "frame": "#827d7d",
      "tab_background_text": "#fcf9f9"
    }
  },
  "version": "2.0",
  "name": "Wolf in blue",
  "manifest_version": 2,
  "description": "Ein mysteriöser Wolf vor einem blauen nächtlichen Himmel.\n\nA mysterious wolf in front of a blue nightly sky."
}