Moving the "Hide closed backlogs" link to the far right because otherwise very long version titles would cover it. And it looks better.

app/views/backlogs/index.html.erb

@@ -3,6 +3,9 @@
     <%= javascript_include_tag  'main', 'backlog', 'item', 'task', :plugin => 'redmine_backlogs', :cache => 'backlogsjs/all' %>
 <% end %>
 <div class="backlog_toolbar">
+	<div id="hide_closed_backlogs_container">
+	  <input type="checkbox" id="hide_closed_backlogs"/> Hide closed backlogs
+	</div>	
   <select id="move_items" class="actions">
     <option>Move selected items to...</option>
     <%- @backlogs.each do |backlog| %>
@@ -10,9 +13,6 @@
     <%- end %>
     <option value="0">&nbsp;&nbsp;&nbsp;&nbsp;Main Backlog</option>
   </select>
-  <div id="hide_closed_backlogs_container">
-    <input type="checkbox" id="hide_closed_backlogs"/> Hide closed backlogs
-  </div>
 </div>
 
 <div id="backlog_body">

assets/stylesheets/index.css

@@ -54,10 +54,10 @@
 }
 
 #hide_closed_backlogs_container {
+  margin-top: 7px;
+  margin-right: 5px;
   display: block;
-  left: 190px;
-  position: absolute;
-  top: 7px;
+  float: right;
 }
 
 #hide_closed_backlogs {