Examine source code of South Park Rules

{
  "theme": {
    "images": {
      "theme_frame": "headersubmit.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ff6f00"
    }
  },
  "version": "2.0",
  "name": "South Park Rules",
  "manifest_version": 2,
  "description": "You're South Park fan? Like me you've already watched all the episodes ? So thiss skin is for you !!"
}