Change rendering of headers of listbox (sort buttons) to underlined text

bt5/erp5_commerce/SkinTemplateItem/portal_skins/erp5_commerce_multiflex_layout/mf54_commerce.css.xml

@@ -193,7 +193,6 @@ fieldset.editable div.input {padding:0px;}\n
 .main_content table tr.thead_bottom td {border: solid 1px <tal:block tal:replace="primary_color"/>;border-width: 1px 0px 1px 0px;}\n
 .main_content table tr.tfoot {border:none;}\n
 .main_content table caption {margin-top:10px; text-align:center; padding-bottom:10px;}\n
-.main_content button.sort_button {float:left;}\n
 .main_content th img {clear:none; border:none; margin-left:5px;}\n
 .main_content .pageNavigation input {vertical-align:middle;}\n
 .main_content table td.td_check_all {background-color:<tal:block tal:replace="body_color"/>;}\n
@@ -204,9 +203,21 @@ fieldset.editable div.input {padding:0px;}\n
 .main_content table tr.shopping_cart_end_lines td {border:none;}\n
 .main_content table tr.shopping_cart_end_lines td.used {border-bottom:solid 1px #CCC;}\n
 \n
-\n
-</tal:block>\n
-
+.main_content button.sort_button,\n
+table.listbox th button.sort-button {\n
+  text-decoration: underline;\n
+  padding: 0px;\n
+  border-width: 0;\n
+  cursor: pointer;\n
+  float: left;\n
+  background: transparent;\n
+  color: #505050;\n
+  font-size: 80% !important;\n
+  font-weight: bold;\n
+  height: 3em;\n
+}\n
+\n
+</tal:block>
 
 ]]></unicode> </value>
         </item>
@@ -224,7 +235,7 @@ fieldset.editable div.input {padding:0px;}\n
         </item>
         <item>
             <key> <string>output_encoding</string> </key>
-            <value> <string>utf-8</string> </value>
+            <value> <string>iso-8859-15</string> </value>
         </item>
         <item>
             <key> <string>title</string> </key>