Examine source code of Glock Perfection-2

{
  "theme": {
    "images": {
      "theme_frame": "glock2-top.jpg"
    },
    "colors": {
      "frame": "#f55e0c",
      "tab_background_text": "#eefb1e"
    }
  },
  "version": "2.0",
  "name": "Glock Perfection-2",
  "manifest_version": 2,
  "description": "Glock Perfection #2"
}