Examine source code of Batman logos ANIMATED

{
  "theme": {
    "images": {
      "theme_frame": "Batman-logos-head.png"
    },
    "colors": {
      "frame": "#bfb9b9",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Batman logos ANIMATED",
  "manifest_version": 2,
  "description": "Assorted Batman logo's on white background with black text.\nAll the best.\nDay."
}