Examine source code of Mauvelous

{
  "theme": {
    "images": {
      "theme_frame": "Mauveloushdfirefox.jpg"
    },
    "colors": {
      "frame": "#a836a2",
      "tab_background_text": "#d885d9"
    }
  },
  "version": "2.0",
  "name": "Mauvelous",
  "manifest_version": 2,
  "description": "Note: This skin was purposely spelled this way, since it has a Mauve look to it. "
}