body {
  background-color: #111;
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
}

.contenedor {
  max-width: 400px;
  margin: auto;
  padding-top: 20px;
}

video {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 15px;
}

#menu {
  background: #222;
  padding: 15px;
  border-radius: 10px;
}

input {
  width: 80%;
  padding: 8px;
  margin-top: 10px;
  font-size: 16px;
}

button {
  margin-top: 10px;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}