Examine source code of iXtante

{
  "theme": {
    "images": {
      "theme_frame": "header_iX_3.jpg"
    },
    "colors": {
      "frame": "#3e3a37",
      "tab_background_text": "#e8530e"
    }
  },
  "version": "2.0",
  "name": "iXtante",
  "manifest_version": 2
}