Examine source code of Ju 87 Stuka

{
  "theme": {
    "images": {
      "theme_frame": "ju871.jpg"
    },
    "colors": {
      "frame": "#add5ff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Ju 87 Stuka",
  "manifest_version": 2,
  "description": "Junkers Ju 87 was a German ground-attack aircraft."
}