Examine source code of Aurora Ray Lights

{
  "name": "Aurora",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "aurora.png"
    },
    "colors": {
      "frame": "rgba(153, 51, 102, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a3331e55-214f-49f8-a9d8-0ab78558885f}"
    }
  }
}