body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}
canvas {
  border: 3px solid black;
  width:90%;
  height:96vh;
  background-image: url('image/back1.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center; 
}

#startScreen, #gameOverScreen {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 500px;
  height: 500px;
  background-color: rgba(255, 255, 255, 0.8);
  border: 3px solid black;
}
button {
  padding: 10px 20px;
  font-size: 18px;
  cursor: pointer;
}


#bulletsound, #flamesound{
  display: none;
}

#scoreDisplay {
  position: fixed;
  top: 10px;
  right: 10px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 10px;
  border-radius: 5px;
  font-size: 20px;
  z-index: 50;
}