Examine source code of Exercise Book by Miss Millie Mills

{
  "theme": {
    "images": {
      "theme_frame": "croisillons.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#820027"
    }
  },
  "version": "2.0",
  "name": "Exercise Book",
  "manifest_version": 2,
  "description": "Tags : School ,Colors,Holidays,Blue,\nGreen,Yellow,Pink,Red"
}