body {
  background-color: #000;
  color: #fff;
  font-family: sans-serif;
  text-align: center;
  padding: 100px 20px;
}
.button {
  display: inline-block;
  background-color: #007bff;
  color: #fff;
  padding: 12px 24px;
  border-radius: 4px;
  text-decoration: none;
  margin-top: 20px;
}