Some font size tweaking

scripts/game.js

@@ -315,7 +315,9 @@ var PauseScreen = new Scene();
     Game.context.fillRect(0, 0, Game.canvas.width, Game.canvas.height);
     Game.context.fillStyle = 'white';
     Game.context.textAlign = 'center';
+    Game.context.font = font(16);
     Game.context.fillText('Paused', Game.canvas.width/2, Game.canvas.height/2 - 30);
+    Game.context.font = font(12);
     Game.context.fillText('P to unpause', Game.canvas.width/2, Game.canvas.height/2);
     Game.context.fillText('Q to quit', Game.canvas.width/2, Game.canvas.height/2 + 20);
     Game.context.textAlign = 'left';