Examine source code of LBJ Forever

{
  "theme": {
    "images": {
      "theme_frame": "lbj_header.JPG"
    },
    "colors": {
      "frame": "#525252",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "LBJ Forever",
  "manifest_version": 2,
  "description": "Lyndon Baines Johnson will return from the dead to rule our country once again!"
}