.slider {
  position: relative;
  width: 500px;
  height: 709px;
  overflow: hidden;
  margin: auto;
}

.slides {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.slides img {
  width: 500px;
  height: 709px;
  object-fit: cover;
}

button.prev,
button.next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: white;
  padding: 12px 15px;
  cursor: pointer;
  font-size: 20px;
}

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