* {
  font-family: Asap, Poppins, sans-serif;
  font-size: 1.3rem;
  font-weight: 500;
  background-color: #1a1a1a;
  color: #f1f1f1;
  margin: 0;
}

h1 {
  text-align: center;
  align-items: center;
  justify-content: center;
  top: 50px;
  left: 50px;
}

.game-container {
  align-items: center;
  text-align: center;
  justify-content: center;
  position: absolute;
  top: 50px;
  left: 550px;
  box-sizing: border-box;
  width: 500px;
  height: 730px;
  background-color: rgba(0, 0, 0, 0);
  overflow: hidden;
}

.sky {
  background-image: url(./img/fb-game-background.png);
  width: 500px;
  height: 580px;
  position: absolute;
  background-color: rgba(0, 0, 0, 0);
  z-index: 1;
}

.ground {
  background-image: url(./img/bottom-background.png);
  width: 500px;
  height: 150px;
  position: absolute;
  background-color: rgba(0, 0, 0, 0);
  top: 580px;
  z-index: 4;
}

.bird {
  background-image: url(./img/flappy-bird.png);
  background-color: rgba(0, 0, 0, 0);
  position: absolute;
  width: 60px;
  height: 45px;
  z-index: 2;
}

.obstacle {
  background-image: url(./img/flappybird-pipe.png);
  width: 60px;
  height: 300px;
  position: absolute;
  background-color: rgba(0, 0, 0, 0);
  z-index: 3;
}

.topObstacle {
  background-image: url(./img/flappybird-pipe.png);
  transform: rotate(180deg);
  width: 60px;
  height: 300px;
  position: absolute;
  background-color: rgba(0, 0, 0, 0);
  z-index: 3;
}