Examine source code of Dove in Flight by M♥Donna

{
  "name": "Dove in Flight by M♥Donna",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "DoveH.jpg"
    },
    "colors": {
      "frame": "rgba(1, 79, 110, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 77, 110, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 77, 110, 0.07)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{abea38ca-1d62-4ad5-ad44-9626df6abaf6}"
    }
  }
}