Examine source code of Roaring Lion 3D

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ff3b3b",
      "tab_background_text": "#fafafa"
    }
  },
  "version": "2.0",
  "name": "Roaring Lion 3D",
  "manifest_version": 2,
  "description": "I do not own this wallpaper. Respect the creator(s)."
}