Examine source code of Nero Zero 2

{
  "theme": {
    "images": {
      "theme_frame": "nero_zero_2_hd.jpg"
    },
    "colors": {
      "frame": "#0d0101",
      "tab_background_text": "#f7f4f4"
    }
  },
  "version": "2.0",
  "name": "Nero Zero 2",
  "manifest_version": 2,
  "description": "Nero Zero - Rising Rock Artists"
}