body {
  background-color: black;
}
#countLabel {
  display: block;
  text-align: center;
  font-size: 9rem;
  margin-top: 10rem;
  color: white;
}
#btn-container {
  text-align: center;
  padding: 20px;
}
button {
  padding: 15px 40px;
  border-radius: 5rem;
  background-color: rgb(255, 255, 255);
  cursor: pointer;
  margin: 10px;
  font-size: 2rem;
}
button:hover {
  background-color: rgb(64, 64, 64);
  color: white;
}
h1 {
  text-align: center;
  font-size: 4rem;
  color: white;
}