Examine source code of Van Halen II

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#919191",
      "tab_background_text": "#6fa7ce"
    }
  },
  "version": "2.0",
  "name": "Van Halen II",
  "manifest_version": 2,
  "description": "A basic theme based on Van Halen's hit album from 1979 called \"Van Halen II\""
}