body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: #222;
  margin: 0;
}

.slider-container {
  display: flex;
  align-items: center;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
}

#slider {
  width: 400px;
  height: 250px;
  object-fit: cover;
  margin: 0 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

button {
  font-size: 24px;
  background: #007bff;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}