Examine source code of twentyone thirteen design

{
  "theme": {
    "images": {
      "theme_frame": "21thirteen_persona_header.jpg"
    },
    "colors": {
      "frame": "#929596",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "twentyone thirteen design",
  "manifest_version": 2,
  "description": "design based on 21thirteen logo"
}