diff --git a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/openlayerwidget/GeoJsonAreaSelectionDialog.java b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/openlayerwidget/GeoJsonAreaSelectionDialog.java
index 6196a33..0512904 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/openlayerwidget/GeoJsonAreaSelectionDialog.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/openlayerwidget/GeoJsonAreaSelectionDialog.java
@@ -44,6 +44,8 @@ public class GeoJsonAreaSelectionDialog extends AreaSelectionDialog{
 		};
 
 		addSelectAreaDialogEventHandler(handler);
+		this.getElement().addClassName("GeoJson-DialogBox");
+		setZIndex(10000);
 	}
 
 
diff --git a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/public/CKanMetadataPublisher.css b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/public/CKanMetadataPublisher.css
index 73c49cf..14475b3 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/public/CKanMetadataPublisher.css
+++ b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/public/CKanMetadataPublisher.css
@@ -45,4 +45,8 @@
 /** for namespaces **/
 .page-header>h1>small {
 	font-size: 18px !important;
+}
+
+.GeoJson-DialogBox{
+	width: 100% !important;
 }
\ No newline at end of file