Examine source code of Vintage Charms

{
  "theme": {
    "images": {
      "theme_frame": "VinPer1.jpg"
    },
    "colors": {
      "frame": "#262457",
      "tab_background_text": "#5acfd1"
    }
  },
  "version": "2.0",
  "name": "Vintage Charms",
  "manifest_version": 2,
  "description": "Old fashioned style"
}