Examine source code of Gospelmusic

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#e6dd9c",
      "tab_background_text": "#ffff00"
    }
  },
  "version": "2.0",
  "name": "Gospelmusic",
  "manifest_version": 2,
  "description": "Get a smile on your face whenever you open you firefox, because God loves you. Sing with us some groovy groovy gospel music. This is the theme for all lovers of gospel music and members of our You-Go! — The Gospel Music Community"
}