Examine source code of Flower and leaf design pattern

{
  "theme": {
    "images": {
      "theme_frame": "design-pattern_01.jpg"
    },
    "colors": {
      "frame": "#9e9e02",
      "tab_background_text": "#f7e991"
    }
  },
  "version": "2.0",
  "name": "Flower and leaf design pattern",
  "manifest_version": 2,
  "description": "お花と葉っぱのデザインパターン。\nアースカラーの優しいグリーンが印象的です。\nお部屋に柔らかい風が吹いてるよう。"
}