Examine source code of Santas Hat 2

{
  "theme": {
    "images": {
      "theme_frame": "Persona_HeaderXmasTime4.jpg"
    },
    "colors": {
      "frame": "#e3d6d6",
      "tab_background_text": "#f7efef"
    }
  },
  "version": "2.0",
  "name": "Santas Hat 2",
  "manifest_version": 2,
  "description": "Santa's Hat with calender"
}