Examine source code of preview_large

{
  "theme": {
    "images": {
      "theme_frame": "110608_boa_banner_sizeL.jpg"
    },
    "colors": {
      "frame": "#595959",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "preview_large",
  "manifest_version": 2,
  "description": "BoA Kwon"
}