Examine source code of Bridge Going Nowhere

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#6b4204",
      "tab_background_text": "#f4ffb8"
    }
  },
  "version": "2.0",
  "name": "Bridge Going Nowhere",
  "manifest_version": 2,
  "description": "A bridge off the beach - A bridge under the sunlight - A bridge going Nowhere..."
}