Examine source code of Gray Wolf by M♥Donna

{
  "name": "Gray Wolf by M♥Donna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "Gray Wolf3.jpg"
    },
    "colors": {
      "frame": "rgba(131, 137, 149, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(132, 137, 150, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(132, 137, 150, 0.08)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{46ce380f-6b73-47a7-84a1-b3a3c98a4abe}"
    }
  }
}