Examine source code of Stripes and Squares

{
  "theme": {
    "images": {
      "theme_frame": "picforfirefox.jpg"
    },
    "colors": {
      "frame": "#096596",
      "tab_background_text": "#3c0454"
    }
  },
  "version": "2.0",
  "name": "Stripes and Squares",
  "manifest_version": 2,
  "description": "Ummm... I made it on paint and <a href=\"https://outgoing.prod.mozaws.net/v1/86f7002734cd54bcc44c0b39abf7cd70aae93ec994fbe70e387cf532aeedec33/http%3A//Picnik.com\" rel=\"nofollow\">Picnik.com</a>"
}