Examine source code of Mummers Dance

{
  "theme": {
    "images": {
      "theme_frame": "PaterNosterH.jpg"
    },
    "colors": {
      "frame": "#1cb5c9",
      "tab_background_text": "#e6c3f7"
    }
  },
  "version": "2.0",
  "name": "Mummers Dance",
  "manifest_version": 2,
  "description": "Loreena McKennitt from the album The Book of Secrets"
}