body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f9f9f9;
  margin: 0;
  padding: 0;
  color: #222;
}
header {
  background: #0e4a7c;
  color: #fff;
  padding: 20px 0 10px 0;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 2em;
  letter-spacing: 1px;
}
nav {
  margin: 10px 0 0 0;
}
nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 12px;
  font-weight: 500;
  transition: color 0.2s;
}
nav a:hover {
  color: #ffd700;
}
main {
  max-width: 700px;
  margin: 40px auto 30px auto;
  background: #fff;
  border-radius: 8px;
  padding: 32px 24px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
}
footer {
  text-align: center;
  background: #eee;
  padding: 16px 0;
  font-size: 0.97em;
  color: #222;
  margin-top: 40px;
}
footer a {
  color: #0e4a7c;
  text-decoration: none;
  margin: 0 10px;
}
footer a:hover {
  text-decoration: underline;
}
@media (max-width: 800px) {
  main {padding: 16px 4vw;}
}