Examine source code of Tiny Skulls

{
  "theme": {
    "images": {
      "theme_frame": "Tiny_Skulls_Header.png"
    },
    "colors": {
      "frame": "#3b3b3b",
      "tab_background_text": "#878787"
    }
  },
  "version": "2.0",
  "name": "Tiny Skulls",
  "manifest_version": 2,
  "description": "The name says it all. This persona is easy on the eyes, and has awesome little skulls. Perfect for the Halloween season, but awesome enough for everyday use."
}