Examine source code of YouTube etflu

{
  "theme": {
    "images": {
      "theme_frame": "etflu_persona_oben.jpg"
    },
    "colors": {
      "frame": "#ed1717",
      "tab_background_text": "#ed1717"
    }
  },
  "version": "2.0",
  "name": "YouTube etflu",
  "manifest_version": 2,
  "description": "Dies ist das Persona von etflu, einem YouTubers"
}