Examine source code of my owl

{
  "theme": {
    "images": {
      "theme_frame": "owlpersonaKopie.jpg"
    },
    "colors": {
      "frame": "#e8852e",
      "tab_background_text": "#f5e23b"
    }
  },
  "version": "2.0",
  "name": "my owl",
  "manifest_version": 2,
  "description": "Big Owl is watching you."
}