Readme fix

README.md

@@ -5,26 +5,19 @@ Ping-pong game in 3D
 Before compiling you need to install [OpenGLUT](http://openglut.sourceforge.net/)
 
 ## Screenshots
-Main menu
+### Main menu
 ![Main menu](Screenshots/Screen_1.png)
-
-Select difficulty
+### Select difficulty
 ![Select difficulty](Screenshots/Screen_2.png)
-
-Input first player name
+### Input first player name
 ![Input first player name](Screenshots/Screen_3.png)
-
-Input second player name
+### Input second player name
 ![Input second player name](Screenshots/Screen_4.png)
-
-In game
+### In game
 ![In game](Screenshots/Screen_5.png)
-
-Game Over
+### Game Over
 ![Game Over](Screenshots/Screen_6.png)
-
-Scores
+### Scores
 ![Scores](Screenshots/Screen_7.png)
-
-About game
+### About game
 ![About game](Screenshots/Screen_8.png)