Examine source code of Wild summer boscage

{
  "theme": {
    "images": {
      "theme_frame": "4.1.png"
    },
    "colors": {
      "frame": "#bab3b3",
      "tab_background_text": "#fffcfc"
    }
  },
  "version": "2.0",
  "name": "Wild summer boscage",
  "manifest_version": 2,
  "description": "Wallpaper with the patterns and colours similar to those of my shorts!"
}