diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/property/PropertyGrid.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/property/PropertyGrid.java
index 818aee4dacad6c866335af2664d187ae37f2744d..e3cad0ac38f6a3ba9234f2187cc143ae76c74ac6 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/property/PropertyGrid.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/property/PropertyGrid.java
@@ -191,6 +191,7 @@ public final class PropertyGrid extends Grid
         Element element = getCellFormatter().getElement(row, 0);
         element.setAttribute("colspan", "2");
         element.setAttribute("class", "properties-sub-section");
+        getCellFormatter().getElement(row, 1).setAttribute("style", "display: none");
         addPropertiesToTable(props, row + 1);
     }
 
diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/public/css/openbis.css b/openbis/source/java/ch/systemsx/cisd/openbis/public/css/openbis.css
index 4d3efde91fa086298254977a63aea3d4f455931c..9821887a288bbe825a150ad7133020258b7e00f7 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/public/css/openbis.css
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/public/css/openbis.css
@@ -82,10 +82,11 @@ body,div,td,.default-text {
 .property-grid {
 	table-layout: fixed;
 	border-collapse: collapse;
+	width: 100%;
 }
 
 .property-grid td {
-	border: 1px solid #ffffff;
+	border-top: 1px solid #ffffff;
 	padding: 3px 5px 3px 5px;
 	vertical-align: top;
 }
@@ -95,8 +96,9 @@ body,div,td,.default-text {
 	background-color: #dddddd;
 }
 
-.properties-sub-section {
+td.properties-sub-section {
   background-color: #fff;
+  border-top: 1px solid grey;
   font-weight: normal;
 }