Examine source code of Beach Bear

{
  "theme": {
    "images": {
      "theme_frame": "ginocampise1.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Beach Bear",
  "manifest_version": 2,
  "description": "One of my bear photographs. He was just resting on the beach after having a bite to eat."
}