Examine source code of MH - Rockstar Mouse

{
  "theme": {
    "images": {
      "theme_frame": "mh_rockstar_HEADER.jpg"
    },
    "colors": {
      "frame": "#b0b0b0",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "MH - Rockstar Mouse",
  "manifest_version": 2,
  "description": "Simple Persona made up of a gradient and the Rockstar Mouse from the Facebook game \"MouseHunt\"."
}