Examine source code of Rainbow Brite

{
  "theme": {
    "images": {
      "theme_frame": "rainbowheader.jpg"
    },
    "colors": {
      "frame": "#edb611",
      "tab_background_text": "#f00342"
    }
  },
  "version": "2.0",
  "name": "Rainbow Brite",
  "manifest_version": 2,
  "description": "Rainbow Brite logo with Twink her faithful sidekick. Let her add some color to your day!"
}