body {
  margin: 0;
  padding: 0;
  background: #111;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.carousel-container {
  position: relative;
  width: 80%;
  max-width: 800px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.6);
}
.carousel-slide img {
  width: 100%;
  display: none;
  border-radius: 12px;
}

.prev, .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 30px;
  font-weight: bold;
  cursor: pointer;
  padding: 10px;
  background: rgba(0,0,0,0.4);
  border-radius: 50%;
  user-select: none;
}

.prev { left: 10px; }
.next { right: 10px; }

.dots {
  text-align: center;
  position: absolute;
  bottom: 10px;
  width: 100%;
}
.dot {
  height: 15px;
  width: 15px;
  margin: 0 5px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
}

.active, .dot:hover {
  background-color: #fff;
}