body{
  display:flex;
  flex-direction:column;
  align-items:center;

  background:#121212;

  color:white;

  font-family:Arial,sans-serif;
}

h1{
  margin-top:20px;
}

#board{

  border:5px solid #ffffff;

  border-radius:12px;

  box-shadow:0 0 20px rgba(255,255,255,0.3);
}

button{

  padding:10px 20px;

  margin:10px;

  font-size:16px;

  border:none;

  border-radius:8px;

  cursor:pointer;
}

button:hover{

  transform:scale(1.05);
}