body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background-color: white;
  color: black;
}

a {
  color: #007acc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  background: white;
  color: black;
}

footer {
  background: white;
  color: #444;
  font-size: 0.9em;
  padding: 20px 0;
  text-align: center;
}