body {
  margin: 0;
  padding: 0;
  background: #fff;
  font-family: Arial, sans-serif;
}

.slider-container {
  position: relative;
  width: 100%;
  max-width: 320px;
  height: 320px;
  margin: 2rem auto;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  background: #fff;
}

.slider-wrapper {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.2s ease-in-out;
}

.slide {
  flex: 0 0 100%;
  height: 100%;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

.nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.3);
  color: #fff;
  border: none;
  font-size: 2rem;
  padding: 0 0.5rem;
  cursor: pointer;
  z-index: 2;
  border-radius: 5px;
}

.nav.prev {
  left: 5px;
}

.nav.next {
  right: 5px;
}