Examine source code of lullaby fantasy

{
  "theme": {
    "images": {
      "theme_frame": "lullabyfantasy_h.jpg"
    },
    "colors": {
      "frame": "#0a0d36",
      "tab_background_text": "#d49337"
    }
  },
  "version": "2.0",
  "name": "lullaby fantasy",
  "manifest_version": 2,
  "description": "Colorful fun"
}