Examine source code of ZillionDesigns Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "ZillionDesigns Theme",
  "manifest_version": 2,
  "description": "At ZillionDesigns, we let you choose from \"a zillion designs\" created by a global network of over 100,000 designers just for you! It's simple, really. Your company needs a logo that people can identify it by, right? So, all you have to do is launch your logo design contest, write up a quick creative brief letting the designers know what you want, and then watch all of the unique logo concepts flood into your competition."
}