Examine source code of twsmx.com

{
  "theme": {
    "images": {
      "theme_frame": "firsttryfirefox.png"
    },
    "colors": {
      "frame": "#2e2d2d",
      "tab_background_text": "#3d3c3c"
    }
  },
  "version": "2.0",
  "name": "twsmx.com",
  "manifest_version": 2,
  "description": "This is my first try at making a persona for firefox. Its our business we are starting , soon to come , TWSMX"
}