body {
  font-family: 'Segoe UI', sans-serif;
  background: #f7f7f7;
  color: #333;
  margin: 0;
  padding: 0;
}

header, main, footer {
  max-width: 860px;
  margin: 20px auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
}

h1, h2 {
  color: #225577;
}

a {
  color: #225577;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

ul {
  margin-left: 20px;
}

footer {
  font-size: 0.9em;
  text-align: center;
  color: #777;
}