Examine source code of Needle

{
  "theme": {
    "images": {
      "theme_frame": "needle3.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#00ddff"
    }
  },
  "version": "2.0",
  "name": "Needle",
  "manifest_version": 2,
  "description": "neon needle"
}