Examine source code of Capitan Strify

{
  "theme": {
    "images": {
      "theme_frame": "13923277--.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#f6f7aa"
    }
  },
  "version": "2.0",
  "name": "Capitan Strify",
  "manifest_version": 2,
  "description": "Capitan Jack Strify ^^"
}