import java.awt.BorderLayout;
import java.awt.Dimension;
import java.util.List;
+import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;
import javax.swing.WindowConstants;
/** Creates a new main window. */
public MainWindow() {
super(String.format("Sonitus %s", Version.version()));
+ tabbedPane.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
getContentPane().add(tabbedPane, BorderLayout.CENTER);
setSize(new Dimension(800, 450));