Examine source code of lo mas grande

{
  "theme": {
    "images": {
      "theme_frame": "colas3.jpg"
    },
    "colors": {
      "frame": "#f70a0a",
      "tab_background_text": "#0539f5"
    }
  },
  "version": "2.0",
  "name": "lo mas grande",
  "manifest_version": 2,
  "description": "grandioso"
}