Examine source code of Blue Boy

{
  "theme": {
    "images": {
      "theme_frame": "Untitled-1.jpg"
    },
    "colors": {
      "frame": "#cf3c3c",
      "tab_background_text": "#e6ed1f"
    }
  },
  "version": "2.0",
  "name": "Blue Boy",
  "manifest_version": 2,
  "description": "Hello!"
}