diff --git a/src/main/java/info/istlab/Zemi01/TransparentClock.java b/src/main/java/info/istlab/Zemi01/TransparentClock.java
index 9984b46..7838b5f 100644
--- a/src/main/java/info/istlab/Zemi01/TransparentClock.java
+++ b/src/main/java/info/istlab/Zemi01/TransparentClock.java
@@ -16,6 +16,11 @@
 
 public class TransparentClock extends JWindow implements MouseListener, MouseMotionListener, Runnable {
 
+    static boolean isWindows;
+    static {
+        isWindows = System.getProperty("os.name").toLowerCase().startsWith("win");
+    }
+
     public static void main(String[] arg) {
         new TransparentClock();
     }
@@ -40,18 +45,22 @@
 
     public void paint(Graphics g) {
         Dimension dim = getSize();
-        g.clearRect(0, 0, dim.width, dim.height);
+        if (isWindows){
+            super.paint(g);
+        } else {
+            g.clearRect(0, 0, dim.width, dim.height);
+        }
         // super.paint(g);
         Graphics2D g2 = (Graphics2D) g;
         g2.setColor(new Color(0, 255, 0, 50));
 
-        for(int i=0;i<4;i++){
-            g2.drawRect(i,i, dim.width-i*2, dim.height-i*2); //x,y,w,h
+        for (int i = 0; i < 4; i++) {
+            g2.drawRect(i, i, dim.width - i * 2, dim.height - i * 2); // x,y,w,h
         }
 
         g2.setColor(new Color(0, 0, 255, 100));
         LocalDateTime ldt = LocalDateTime.now();
-        String ldtstr = ldt.toString(); 
+        String ldtstr = ldt.toString();
         String datestr = ldtstr.substring(0, 10);
         String timestr = ldtstr.substring(11, 19);
         Font font1 = new Font(Font.SANS_SERIF, Font.PLAIN, 22);