Examine source code of make believe

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#d999de",
      "tab_background_text": "#eb9957"
    }
  },
  "version": "2.0",
  "name": "make believe",
  "manifest_version": 2,
  "description": "A take on Disneys song When you wish upon a star. For the kid in all of us that believes in miracles"
}