body {
  background-color: black;
  color: white;
  width: 50%;
  margin: 0 auto;
  font-family: "Courier New", Courier, monospace;
}

header {
  display: flex;
  justify-content: center;
}

button {
  margin: 1rem;
  padding: 1rem;
  background-color: white;
  border-radius: 5px;
  font-family: "Courier New", Courier, monospace;
  cursor: pointer;
  font-weight: bold;
}
button:hover {
  background-color:#5f1ef6;
  color: aliceblue;
}

div h1{
    text-align: center;
    display: none;
}
div button{
    text-align: center;
    display: none;
    justify-content: center;
    align-items: center;
}