adjust styling

src/main/java/org/cryptomator/ui/eventview/EventListCellFactory.java

@@ -2,7 +2,6 @@ package org.cryptomator.ui.eventview;
 
 import org.cryptomator.event.Event;
 import org.cryptomator.ui.common.FxmlLoaderFactory;
-import org.cryptomator.ui.mainwindow.VaultListCellController;
 
 import javax.inject.Inject;
 import javafx.fxml.FXMLLoader;
@@ -50,10 +49,11 @@ public class EventListCellFactory implements Callback<ListView<Event>, ListCell<
 		protected void updateItem(Event item, boolean empty) {
 			super.updateItem(item, empty);
 
-			if (empty) {
-				setText(null);
+			if (empty || item == null) {
 				setGraphic(null);
+				this.getStyleClass().remove("list-cell");
 			} else {
+				this.getStyleClass().addLast("list-cell");
 				setContentDisplay(ContentDisplay.GRAPHIC_ONLY);
 				setGraphic(root);
 				controller.setEvent(item);

src/main/resources/css/light_theme.css

@@ -299,6 +299,15 @@
  *                                                                             *
  ******************************************************************************/
 
+.event-window .list-view .list-cell:hover {
+	-fx-background-color: CONTROL_BG_SELECTED;
+}
+
+.event-window .list-view .list-cell:selected {
+	-fx-background-color: PRIMARY, CONTROL_BG_SELECTED;
+	-fx-background-insets: 0, 0 0 0 3px;
+}
+
 .list-view {
 	-fx-background-color: CONTROL_BG_NORMAL;
 }