Reset sprite batch color when rendering menu button

core/src/com/me/brickbuster/state/MenuState.java

@@ -2,6 +2,7 @@ package com.me.brickbuster.state;
 
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.Input;
+import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.math.Vector3;
 import com.me.brickbuster.BrickBuster;
@@ -23,6 +24,7 @@ public class MenuState extends State {
 	public void render() {
 		game.sb.setProjectionMatrix(game.cam.combined);
 		game.sb.begin();
+		game.sb.setColor(Color.WHITE);
 		game.sb.draw(playButton,
 					BrickBuster.BOARD_WIDTH/2-playButton.getWidth()/2,
 					BrickBuster.BOARD_HEIGHT/2-playButton.getHeight()/2);