Examine source code of New88

{
  "name": "Environment",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Environment.png"
    },
    "colors": {
      "frame": "rgba(53, 105, 227, 1)",
      "tab_background_text": "rgba(14, 158, 11, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3f628213-bc48-4a47-8b46-c851e8b4f945}"
    }
  }
}