html, body {
  margin: 0;
  padding: 0;
  font-family: "Courier New", monospace;
  background: #f9fafb;
  color: #222;
  text-align: center;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
a {
  color: #006cff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}