Examine source code of Pretty Lil Waterfall

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#613f05",
      "tab_background_text": "#faf5f5"
    }
  },
  "version": "2.0",
  "name": "Pretty Lil Waterfall",
  "manifest_version": 2,
  "description": "Pretty waterfall done in golds with trees and greenery. Designed and created by Creative Expressions Art. Copyright Sept. 2013."
}