body{
    margin: 0;
    padding: 0;
    background: #222;
    font-family: Arial, sans-serif;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100vh;
}
  
h1{
    margin-top: 20px;
    margin-bottom: 10px;
}
  
#gameCanvas {
    background: #333;
    border: 2px solid #fff;
    display: block;
    margin: 0 auto;
    margin-bottom: 10px;
}
  
#score {
	font-size: 1.2rem;
	margin-bottom: 20px;
}