Examine source code of Blue Maze

{
  "theme": {
    "images": {
      "theme_frame": "blue-stripes_persona.jpg"
    },
    "colors": {
      "frame": "#b7d2f7",
      "tab_background_text": "#151630"
    }
  },
  "version": "2.0",
  "name": "Blue Maze",
  "manifest_version": 2,
  "description": "Cool blue stripes...."
}