body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
}

.container {
  max-width: 600px;
  margin: 50px auto;
  text-align: center;
}

video {
  width: 100%;
  max-height: 400px;
  margin-bottom: 20px;
}

button {
  padding: 10px 20px;
  margin: 10px;
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
}

button:disabled {
  background-color: #cccccc;
  cursor: not-allowed;
}