body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #fdfdfd;
  color: #333;
}

header, nav, main, footer {
  max-width: 960px;
  margin: auto;
  padding: 1rem;
}

header h1 {
  color: #006699;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

nav a {
  text-decoration: none;
  color: #006699;
}

nav a:hover {
  text-decoration: underline;
}

footer {
  font-size: 0.9rem;
  color: #666;
  border-top: 1px solid #ccc;
  margin-top: 2rem;
  padding-top: 1rem;
}

img {
  max-width: 100%;
  height: auto;
}