<% unless sidebar.tags.blank? -%>
<h3><%= _("Tags")%></h3>
<p style="overflow:hidden">
<% sidebar.tags.each do |tag| -%>
<span style="font-size:<%= sidebar.sizes[tag] %>%"><%= link_to tag.display_name, tag_url(tag) %></span>
<% end -%>
</p>
<% end %>

<% unless sidebar.tags.blank? -%>
<h3><%= _("Tags")%></h3>
<div>
	<p style="overflow:hidden">
	<% sidebar.tags.each do |tag| -%>
	<span style="font-size:<%= sidebar.sizes[tag] %>%"><%= link_to tag.display_name, tag_url(tag) %></span>
	<% end -%>
	</p>
</div>
<% end %>

Add div for tag sidebar
Add div for tag sidebar
