diff --git a/Bird.java b/Bird.java
index ae3a306..3ca3ca3 100644
--- a/Bird.java
+++ b/Bird.java
@@ -4,6 +4,7 @@ public class Bird
     private static final int JUMP_SPEED = 7;
     private final Rectangle _rect;
     private double _speed;
+
     public Bird(Manager man)
     {
         _rect = new Rectangle(20, 20, 20, 20, "cyan", true);
diff --git a/Drawable.java b/Drawable.java
index b3dc46d..2071801 100644
--- a/Drawable.java
+++ b/Drawable.java
@@ -1,3 +1,4 @@
-interface Drawable {
+interface Drawable
+{
     public abstract void draw(Turtle t, double elapsedTime);
 }
diff --git a/Main.java b/Main.java
index 6b8735b..02f0eb8 100644
--- a/Main.java
+++ b/Main.java
@@ -1,5 +1,7 @@
-class Main {
-    public static void main(String[] args) {
+class Main
+{
+    public static void main(String[] args)
+    {
         new Manager();
     }
 }
diff --git a/Rectangle.java b/Rectangle.java
index 7d1a10f..61bf1e7 100644
--- a/Rectangle.java
+++ b/Rectangle.java
@@ -1,26 +1,31 @@
 
 class Rectangle implements Drawable {
-    private double _x, _y, _width, _height;
+    private double _x, _y;
+    private double _width, _height;
     private String _color;
     private boolean _fill;
 
-    public Rectangle(double x, double y, double width, double height, String c, boolean fill) {
+    public Rectangle(double x, double y, double w, double h, String c, boolean fill)
+    {
         _x = x;
         _y = y;
-        _width = width;
-        _height = height;
+        _width = w;
+        _height = h;
         _color = c;
         _fill = fill;
     }
 
-    public void drawRect(Turtle t) {
+    public void drawRect(Turtle t)
+    {
         t.hinterlasseKeineSpur();
         t.geheZu((double)_x, (double)_y);
         t.hinterlasseSpur();
         t.setzeFarbe(_color);
 
-        if (_fill) {
-            for (int i = 0; i < _height - 1; ++i) {
+        if (_fill)
+        {
+            for (int i = 0; i < _height - 1; ++i)
+            {
                 t.geheVor(_width - 1);
                 boolean right = t.gibRichtung() == 0;
                 t.setzeRichtung(t.gibRichtung() + (right ? 90 : -90));
@@ -28,8 +33,11 @@ class Rectangle implements Drawable {
                 t.setzeRichtung(t.gibRichtung() + (right ? 90 : -90));
             }
             t.geheVor(_width - 1);
-        } else {
-            for (int i = 0; i < 2; ++i) {
+        }
+        else
+        {
+            for (int i = 0; i < 2; ++i)
+            {
                 t.geheVor(_width - 1);
                 t.setzeRichtung(t.gibRichtung() + 90);
                 t.geheVor(_height - 1);
@@ -40,7 +48,8 @@ class Rectangle implements Drawable {
         t.setzeRichtung(0);
     }
 
-    public void draw(Turtle t, double elapsed) {
+    public void draw(Turtle t, double elapsed)
+    {
         drawRect(t);
     }