Examine source code of Rascal

{
  "theme": {
    "images": {
      "theme_frame": "RascalPersona2.jpg"
    },
    "colors": {
      "frame": "#020752",
      "tab_background_text": "#020752"
    }
  },
  "version": "2.0",
  "name": "Rascal",
  "manifest_version": 2,
  "description": "My cat when he was a wee kitten....those days are gone!"
}