body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: #f0f2f5;
  margin: 0;
  padding: 0;
}

header {
  background-color: #2c3e50;
  color: white;
  padding: 1rem;
}

video, img {
  width: 90%;
  max-width: 400px;
  margin: 1rem auto;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.buttons button {
  margin: 10px;
  padding: 10px 20px;
  font-size: 16px;
  border: none;
  background-color: #2ecc71;
  color: white;
  border-radius: 8px;
  cursor: pointer;
}

footer {
  margin-top: 2rem;
  color: #777;
}