Examine source code of Tu-6 Historical

{
  "theme": {
    "images": {
      "theme_frame": "Tu6.jpeg"
    },
    "colors": {
      "frame": "#7a7979",
      "tab_background_text": "#171616"
    }
  },
  "version": "2.0",
  "name": "Tu-6 Historical",
  "manifest_version": 2,
  "description": "Ruský bombardér Tu-6 z druhé svetové v barvách historické černo-bíle fotografie. Serie historických person letounu venovaná pilotum. Russian WWII bomber Tu-6 in historical photo collors. Historic aviation personas dedicated to pilots."
}