Examine source code of rebel rebel

{
  "theme": {
    "images": {
      "theme_frame": "bowie1.png"
    },
    "colors": {
      "frame": "#8c2929",
      "tab_background_text": "#db8c8c"
    }
  },
  "version": "2.0",
  "name": "rebel rebel",
  "manifest_version": 2,
  "description": "David Bowie"
}