Examine source code of Spring into Spring

{
  "theme": {
    "images": {
      "theme_frame": "header.JPG"
    },
    "colors": {
      "frame": "#dfffc9",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Spring into Spring",
  "manifest_version": 2,
  "description": "Spring into Spring with this persona!!!  This persona includes a small spring scene for the header and a nice green color for the footer.  :-D"
}