diff --git a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java
index b749d7e..4293700 100644
--- a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java
+++ b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java
@@ -32,7 +32,6 @@ import org.gcube.portlets.user.geoportaldataviewer.client.gis.ExtentWrapped;
 import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
 import org.gcube.portlets.user.geoportaldataviewer.client.gis.OpenLayerMap;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.GeonaDataViewMainPanel;
-import org.gcube.portlets.user.geoportaldataviewer.client.util.LoaderIcon;
 import org.gcube.portlets.user.geoportaldataviewer.client.util.URLUtil;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.BaseMapLayer;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.GeoQuery;
@@ -42,8 +41,6 @@ import com.google.gwt.core.client.GWT;
 import com.google.gwt.core.client.Scheduler;
 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
 import com.google.gwt.core.client.ScriptInjector;
-import com.google.gwt.dom.client.Style;
-import com.google.gwt.dom.client.Style.Unit;
 import com.google.gwt.event.logical.shared.ResizeEvent;
 import com.google.gwt.event.logical.shared.ResizeHandler;
 import com.google.gwt.event.shared.HandlerManager;
diff --git a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/baseIcons.css b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/baseIcons.css
index 8630120..d209eca 100644
--- a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/baseIcons.css
+++ b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/baseIcons.css
@@ -4,22 +4,22 @@
 	gwt-image: "map";
 	display: inline-block;
 	vertical-align: middle;
-	margin-bottom: 3px;
-	margin-right: 2px;
+	width: 17px !important;
+	height: 17px !important;
 }
 
 @sprite .myBaseIcon_preset_location {
 	gwt-image: "preset_location";
 	display: inline-block;
 	vertical-align: middle;
-	margin-bottom: 3px;
-	margin-right: 2px;
+	width: 17px !important;
+	height: 17px !important;
 }
 
 @sprite .myBaseIcon_layers {
 	gwt-image: "layers";
 	display: inline-block;
 	vertical-align: middle;
-	margin-bottom: 3px;
-	margin-right: 2px;
+	width: 17px !important;
+	height: 17px !important;
 }
\ No newline at end of file