Minor visual modification.

Kieker.WebGUI/src/main/webapp/main.xhtml

@@ -118,9 +118,10 @@
                     <h:form id="centerForm">
                         <div class="canvas" id="mainCanvas" style="width: auto; height: 500px">
                             <c:forEach items="#{selectedMainProjectBean.mainProject.plugins}" var="plugin">
-                              <div class="block draggable" style="border-width: 1px; border-style: solid; border-color: gray" id="#{stringToIDBean.stringToID(plugin)}">
-                                    <h:outputText style="font-weight: bold" value="#{plugin.getName()}"/>
-                                    <hr/>
+                              <div class="ui-panel ui-widget ui-widget-content ui-corner-all block draggable" id="#{stringToIDBean.stringToID(plugin)}">
+                                  <div class="ui-panel-titlebar ui-widget-header ui-corner-all">
+                                  <h:outputText style="font-weight: bold" value="#{plugin.getName()}"/>
+                                  </div>
                                     <p:commandLink ajax="true" value="Configure" action="#{selectedPluginBean.setPlugin(plugin)}" update=":propertiesForm"/>
                                     <br/>
                                     <p:commandLink ajax="true" value="Connect" update=":connectionDialogForm" onclick="connectionDialog.show();"/>