Examine source code of Squirrel Photobomer 2

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#a38b67",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Squirrel Photobomer 2",
  "manifest_version": 2,
  "description": "Just like my original Squirrel Bomber persona, just with a few tweaks for better a photobombing experience!"
}