.hide {
  display: none;
}

.car, .enemy {
  width: 50px;
  height: 100px;
  background: transparent url('./image/player.png') center / cover no-repeat;
  position: absolute;
}

.game {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-self: center;
}

.gameArea {
  width: 300px;
  height: 100vh;
  position: relative;
  margin: auto;
  background: #222;
  overflow: hidden;
}

.line {
  position: absolute;
  width: 10px;
  height: 50px;
  background: #fff;
  left: 145px;
}

.start {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  margin: 0;
  padding: 2rem;
  text-align: center;
  z-index: 200;
  color: #fff;
  font-size: 1.5rem;
  background: black;
  font-family: sans-serif;
  font-weight: 700;
  opacity: 0.9;
}

.score {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: black;
  padding: 1rem 0;
  z-index: 200;
  font-size: 1.5rem;
  color: skyblue;
  text-align: center;
  font-family: sans-serif;
  font-weight: 500;
}

.btn {
  padding: 10px 30px;
  cursor: pointer;
}

#bestScore {
  position: fixed;
  bottom: 0;
  font-size: 25px;
  padding: 15px;
  border: 1px solid black;
  color: blue;
  background-color: whitesmoke;
}