Examine source code of Audi silver and black

{
  "theme": {
    "images": {
      "theme_frame": "audiTA1.jpg"
    },
    "colors": {
      "frame": "#0a0000",
      "tab_background_text": "#f75959"
    }
  },
  "version": "2.0",
  "name": "Audi silver and black",
  "manifest_version": 2,
  "description": "The largest shareholder of AUDI Aktiengesellschaft is VOLKSWAGEN AKTIENGESELLSCHAFT, which holds approximately 99.5%. The Audi emblem symbolises the amalgamation of Audi with DKW, Horch and Wanderer: 1st ring from the left represents Audi, 2nd represents DKW, 3rd is Horch, and the 4th ring Wanderer."
}