Arkanoid game C++ and SFML

You are about to review 80's experience of break out game. You have to break all the blocks, catch bonuses. Please try not to loose a ball, if you want to continue playing.
You can press 'ESC' on your keyboard to put the game on a pause. To return from a pause: press 'SPACE'.
You will see a "GAME OVER" page when will press on the close button or when you loose all the lifes.
If you have lost all the lives you can start a new game.