upd

helsinki/program/templates/program/box_musicfocus.html

 {% if musicfoci %}
-<dl id="box_musicfocus" class="portlet">
+<dl id="box_musicfocus" class="portlet filterbox">
   <dt class="portletHeader"><span>Musiktendenz<span></dt>
   <dd class="portletItem">
     <ul>

helsinki/program/templates/program/box_showinformation.html

 {% if showinformations %}
-<dl id="box_showinformation" class="portlet">
+<dl id="box_showinformation" class="portlet filterbox">
   <dt class="portletHeader"><span>Schwerpunkt<span></dt>
   <dd class="portletItem">
     <ul>

helsinki/program/templates/program/box_showtopic.html

 {% if showtopics %}
-<dl id="box_showtopic" class="portlet">
+<dl id="box_showtopic" class="portlet filterbox">
   <dt class="portletHeader"><span>Thema / Schwerpunkt<span></dt>
   <dd class="portletItem">
     <ul>