Examine source code of Manhunt

{
  "theme": {
    "images": {
      "theme_frame": "MHTop.jpg"
    },
    "colors": {
      "frame": "#1263a1",
      "tab_background_text": "#ffcc00"
    }
  },
  "version": "2.0",
  "name": "Manhunt",
  "manifest_version": 2,
  "description": "Manhunt.net\nIf you don't want the \"Manhunt\" to appear, or it's not placed in a good location for you, try my other persona, On The Hunt in the Websites category."
}