Examine source code of Green Spring Flowers

{
  "theme": {
    "images": {
      "theme_frame": "spring-flowers-green-header.jpg"
    },
    "colors": {
      "frame": "#808080",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Green Spring Flowers",
  "manifest_version": 2,
  "description": "A swirl of some spring flowers on a light green background."
}