Issue #1829 - Revert "Issue #1751"

toolkit/components/prompts/content/commonDialog.xul

@@ -3,6 +3,7 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
+
 <?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
 <?xml-stylesheet href="chrome://global/content/commonDialog.css" type="text/css"?>
 <?xml-stylesheet href="chrome://global/skin/commonDialog.css" type="text/css"?>
@@ -62,9 +63,18 @@
         <hbox id="iconContainer" align="start">
           <image id="info.icon" class="spaced"/>
         </hbox>
-        <vbox id="infoContainer" pack="center">
+        <vbox id="infoContainer"
+#ifndef XP_MACOSX
+              pack="center"
+#endif
+        >
+          <!-- Only shown on OS X, since it has no dialog title -->
           <description id="info.title"
+#ifndef XP_MACOSX
             hidden="true"
+#else
+            style="margin-bottom: 1em"
+#endif
           />
           <description id="info.body" context="contentAreaContextMenu" noinitialfocus="true"/>
         </vbox>