Examine source code of Boonex

{
  "theme": {
    "images": {
      "theme_frame": "boonex_header"
    },
    "colors": {
      "frame": "#3d3d3d",
      "tab_background_text": "#5d5d5e"
    }
  },
  "version": "2.0",
  "name": "Boonex",
  "manifest_version": 2,
  "description": "Basic gradient with Boonex on it"
}