Fixed the wrong package names

src/gui/frames/MainFrame.java

@@ -1,23 +1,19 @@
-package frames;
+package gui.frames;
+
+import gui.menubar.MenuBar;
 
 import javax.swing.JFrame;
 import javax.swing.JPanel;
 
 @SuppressWarnings("serial")
 public class MainFrame extends JFrame{
-	
-		public MainFrame(JPanel panel){
+	public MainFrame(JPanel panel){
 		this.add(panel);
-		this.setResizable(false);
+		this.setResizable(true);
 		this.setBounds(100,100,1440,900);
 		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 		this.setUndecorated(false);
 		this.setJMenuBar(new MenuBar());
 		this.setVisible(true);
-		
-		}
-		
-		
-		
-		
+	}	
 }

src/gui/main/Main.java

@@ -1,12 +1,21 @@
-package main;
+package gui.main;
 
-import panels.MainPanel;
-import frames.MainFrame;
+import gui.frames.MainFrame;
+import gui.panels.MainPanel;
+
+import javax.swing.UIManager;
+import javax.swing.UnsupportedLookAndFeelException;
 
 
 public class Main {
 	
 	public static void main(String[] args){
+		//sets the systems look and feels
+		try{
+			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+		}catch(ClassNotFoundException | InstantiationException| IllegalAccessException | UnsupportedLookAndFeelException e) {
+			e.printStackTrace();
+		}
 		new MainFrame(new MainPanel());
 	}
 }

src/gui/panels/AgendaPane.java

@@ -1,4 +1,4 @@
-package panels;
+package gui.panels;
 
 import java.awt.Color;
 

src/gui/panels/InfoPane.java

@@ -1,4 +1,4 @@
-package panels;
+package gui.panels;
 
 import java.awt.Color;
 import java.awt.GridLayout;

src/gui/panels/MainPanel.java

@@ -1,4 +1,4 @@
-package panels;
+package gui.panels;
 
 import java.awt.BorderLayout;