Examine source code of Brushed Berry

{
  "theme": {
    "images": {
      "theme_frame": "berry.jpg"
    },
    "colors": {
      "frame": "#7cbff2",
      "tab_background_text": "#f5bff2"
    }
  },
  "version": "2.0",
  "name": "Brushed Berry",
  "manifest_version": 2,
  "description": "Design from my collection of abstract-digital images. title:  Brushed Berry"
}