body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f8f9fa;
  color: #333;
  line-height: 1.6;
}

header, nav, main, footer {
  padding: 20px;
}

header {
  background-color: #900;
  color: white;
  text-align: center;
}

nav {
  background-color: #eee;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  text-decoration: none;
  color: #900;
  font-weight: bold;
}

main {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  padding: 20px;
}

section {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

aside {
  background-color: #f2f2f2;
  padding: 20px;
  border-left: 4px solid #900;
  border-radius: 12px;
}

footer {
  text-align: center;
  background-color: #900;
  color: white;
  padding: 15px;
  margin-top: 20px;
}

footer a {
  color: #ffd;
  text-decoration: none;
}