Examine source code of charlie brown

{
  "theme": {
    "images": {
      "theme_frame": "charliebrown_h.png"
    },
    "colors": {
      "frame": "#00ff00",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "charlie brown",
  "manifest_version": 2,
  "description": "the black sawtooth pattern on an orange background as seen on the shirt of peanuts character charlie brown"
}