- Fix preview pane switch position in Firefox + small improvements

skins/default/common.css

@@ -399,6 +399,7 @@ body.iframe .boxtitle
   height: 11px;
   padding: 0;
   margin: 1px;
+  margin-top: 2px;
   overflow: hidden;
   background: url(images/pagenav.gif) 0 0 no-repeat transparent;
   opacity: 0.99; /* this is needed to make buttons appear correctly in Chrome */

skins/default/mail.css

@@ -488,8 +488,8 @@
 {
   position: relative;
   white-space: nowrap;
-  left: 4px;
   line-height: 22px;
+  padding: 0 4px;
   width: auto;
   min-width: 300px;
 }
@@ -504,7 +504,8 @@
 
 #listcontrols input
 {
-  margin-top: 6px;
+  margin-top: 1px;
+  height: 22px;
 }
 
 #listcontrols a.button,

skins/default/templates/mail.html

@@ -76,8 +76,8 @@
         <roundcube:button command="collapse-all" type="link" title="collapse-all" class="buttonPas collapse-all" classAct="button collapse-all" classSel="button collapse-allsel" content=" " />
     <roundcube:endif />
     <roundcube:if condition="!in_array('preview_pane', (array)config:dont_override)" />
-        <label><span style="margin-left: 12px"><roundcube:label name="previewpane" />:&nbsp;</span>
-        <input type="checkbox" onclick="rcmail_ui.switch_preview_pane(this)"<roundcube:exp expression="config:preview_pane == true ? ' checked=checked' : ''" /> /></label>
+        <span style="margin-left: 12px"><label for="prevpaneswitch"><roundcube:label name="previewpane" />:</label>&nbsp;</span>
+        <input type="checkbox" id="prevpaneswitch" onclick="rcmail_ui.switch_preview_pane(this)"<roundcube:exp expression="config:preview_pane == true ? ' checked=checked' : ''" /> />
     <roundcube:endif />
     </div>
     <div id="countcontrols" class="pagenav">