body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #1c1c1c;
  color: #f5f5f5;
}
header {
  background: #000;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header .logo {
  color: orange;
  font-size: 24px;
  font-weight: bold;
}
nav a {
  color: #fff;
  margin: 0 10px;
  text-decoration: none;
}
nav a:hover {
  color: orange;
}
.container {
  padding: 20px;
}
h1, h2 {
  color: orange;
}
footer {
  background: #000;
  color: #aaa;
  text-align: center;
  padding: 10px;
  margin-top: 20px;
}