Examine source code of Earth Giants

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#010f04",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Earth Giants",
  "manifest_version": 2,
  "description": "The largest and oldest living organisms on the planet, The Redwood forest where trees have been alive before Christ. This is a magical place and should be visited by everyone. You will leave the place with a new outlook on life."
}