Examine source code of Dice 3D

{
  "theme": {
    "images": {
      "theme_frame": "wrfel-head1.png"
    },
    "colors": {
      "frame": "#961212",
      "tab_background_text": "#961212"
    }
  },
  "version": "2.0",
  "name": "Dice 3D",
  "manifest_version": 2
}