Examine source code of Coyote & RoadRunner

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#99f3ff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Coyote & RoadRunner",
  "manifest_version": 2,
  "description": "The Coyote chasing the Road Runner again, with the typical descriptions shown just below them like in the cartoon show."
}