Examine source code of Jedward Blue

{
  "theme": {
    "images": {
      "theme_frame": "jedwardfirefox.jpg"
    },
    "colors": {
      "frame": "#00ffaa",
      "tab_background_text": "#bac"
    }
  },
  "version": "2.0",
  "name": "Jedward Blue",
  "manifest_version": 2,
  "description": "A collection of Jedward images and their logo on a blue gradient background"
}