bug 309140 - fix help button placement under UNIX (GNOME), also fix a border issue on the home page field in the prefwindow, r=mano

browser/themes/winstripe/browser/preferences/preferences.css

@@ -91,6 +91,7 @@ radio[pane=paneAdvanced]:hover, radio[pane=paneAdvanced][selected="true"] {
   padding-bottom: 3px;
   -moz-padding-start: 4px;
   -moz-padding-end: 2px;
+  background-color: -moz-Dialog;
 }
 
 /* File Field Widget */

toolkit/content/widgets/preferences.xml

@@ -478,18 +478,20 @@
           <children includes="prefpane"/>
         </xul:deck>
       </xul:hbox>
-      <xul:hbox anonid="dlg-buttons" class="prefWindow-dlgbuttons" pack="end">
+      <xul:hbox anonid="dlg-buttons" class="prefWindow-dlgbuttons"
 #ifdef XP_UNIX
+                >
         <xul:button dlgtype="disclosure" class="dialog-button" hidden="true"/>
         <xul:button dlgtype="help" class="dialog-button" hidden="true" icon="help"/>
         <xul:button dlgtype="extra2" class="dialog-button" hidden="true"/>
         <xul:button dlgtype="extra1" class="dialog-button" hidden="true"/>
-        <xul:spacer anonid="spacer" flex="1" hidden="true"/>
+        <xul:spacer anonid="spacer" flex="1"/>
         <xul:button dlgtype="cancel" class="dialog-button" icon="cancel"/>
         <xul:button dlgtype="accept" class="dialog-button" icon="accept"/>
 #else
+                pack="end">
         <xul:button dlgtype="extra2" class="dialog-button" hidden="true"/>
-        <xul:spacer anonid="spacer" flex="1" hidden="true"/>
+        <xul:spacer anonid="spacer" flex="1"/>
         <xul:button dlgtype="accept" class="dialog-button" icon="accept"/>
         <xul:button dlgtype="extra1" class="dialog-button" hidden="true"/>
         <xul:button dlgtype="cancel" class="dialog-button" icon="cancel"/>

toolkit/themes/winstripe/global/preferences.css

@@ -67,6 +67,7 @@ prefwindow[type="child"] > prefpane {
 
 .prefWindow-dlgbuttons {
   padding-bottom: 10px;
+  -moz-padding-start: 8px;
   -moz-padding-end: 10px;
 }