Examine source code of Strange Brew

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#662008",
      "tab_background_text": "#eba15b"
    }
  },
  "version": "2.0",
  "name": "Strange Brew",
  "manifest_version": 2,
  "description": "Jack-O-Lanterns glowing brightly against a textured dark orange grunge background...Created by Gayla Lynch (g4gayla)"
}