h1 {
    text-align: center;
}
h2 {
    text-align: center;
}

div {
    text-align: center;
    margin-top: 20px;
}

.button {
  background-color: #ddd;
  border: none;
  color: black;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  margin: 4px 2px;
  cursor: pointer;
  border-radius: 16px;
}