/* General page styling */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f0f0f0;
}

/* Navigation bar */
nav {
  background-color: #c0392b;
  text-align: center;
  padding: 10px 0;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
}

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

/* Main content area */
main {
  max-width: 800px;
  margin: 20px auto;
  padding: 20px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

main h2 {
  color: #c0392b;
}

/* Video responsiveness */
.responsive-video {
  width: 100%;
  height: 400px;
  border-radius: 10px;
}

/* Footer */
footer {
  text-align: center;
  background-color: #333;
  color: #fff;
  padding: 15px 0;
  margin-top: 30px;
}