Examine source code of Hummies World

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_Hummie.jpg"
    },
    "colors": {
      "frame": "#81a2a8",
      "tab_background_text": "#020421"
    }
  },
  "version": "2.0",
  "name": "Hummies World",
  "manifest_version": 2,
  "description": "Hummie's World - Learning digital scrapbooking"
}