Examine source code of Wine Abstract

{
  "name": "Wine Abstract",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "WineAbstractH.jpg"
    },
    "colors": {
      "frame": "rgba(92, 29, 60, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(92, 29, 59, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(92, 29, 59, 0.05)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{956351d2-8820-4661-a665-0d327c698390}"
    }
  }
}