Examine source code of WOLF by M♥Donna

{
  "name": "WOLF by M♥Donna",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "WOLF 3.jpg"
    },
    "colors": {
      "frame": "rgba(68, 68, 36, 1)",
      "tab_background_text": "rgba(245, 236, 231, 1)",
      "toolbar": "rgba(70, 71, 38, 0)",
      "bookmark_text": "rgba(245, 236, 231, 1)",
      "toolbar_field": "rgba(70, 71, 38, 0.08)",
      "toolbar_field_text": "rgba(245, 236, 231, 1)",
      "tab_line": "rgba(245, 236, 231, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{de3c3b8b-95ca-495d-94f9-ef705110e715}"
    }
  }
}