Examine source code of Panda Bridge

{
  "theme": {
    "images": {
      "theme_frame": "Panda_Bridge_1.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Panda Bridge",
  "manifest_version": 2,
  "description": "This is an image of the bridge that leads visitors to the Panda Research Centre at Bifengxia in China. "
}