* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #121212;
  color: #e0e0e0;
  font-family: "Segoe UI", sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.carousel-container {
  background: #1e1e1e;
  border: 1px solid #333;
  border-radius: 12px;
  padding: 16px;
  max-width: 640px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  text-align: center;
}
.carousel-container img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 12px;
}
.carousel-container .controls {
  display: flex;
  justify-content: space-between;
}
.carousel-container .controls button {
  background: #333;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}
.carousel-container .controls button:hover {
  background: #444;
}
.carousel-container .controls button:active {
  background: #555;
}