Examine source code of Vintage Surf

{
  "theme": {
    "images": {
      "theme_frame": "vintage_surf2_hd.jpg"
    },
    "colors": {
      "frame": "#b0b0b0",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Vintage Surf",
  "manifest_version": 2,
  "description": "A collection of vintage surf photos."
}