Examine source code of Apollo 13 Tribute

{
  "theme": {
    "images": {
      "theme_frame": "Apollo13Header.jpg"
    },
    "colors": {
      "frame": "#ff0000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Apollo 13 Tribute",
  "manifest_version": 2,
  "description": "Tribute to Apollo 13 mission, april 11th-17th 1970"
}