Examine source code of Border Collie small

{
  "theme": {
    "images": {
      "theme_frame": "forefoxpersonaBracsm.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#666666"
    }
  },
  "version": "2.0",
  "name": "Border Collie small",
  "manifest_version": 2,
  "description": "Border collie in the snow with pale grey background small size for smaller screens"
}