body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #ffffff;
  color: #0b2c39;
}

header, footer {
  background-color: #0b2c39;
  color: white;
  padding: 1rem;
  text-align: center;
}

main {
  padding: 2rem;
  text-align: center;
}

a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  background-color: #0b2c39;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  display: inline-block;
  margin-top: 1rem;
}