.slider::-webkit-scrollbar {
  display: none;
}

/* Hide scrollbar for IE, Edge and Firefox */
.slider {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.slider {
  width: 100vh;
  height: 100vw;
  position: absolute;
  overflow-y: auto;
  overflow-x: hidden;
  transform:rotate(-90deg) translateY(-100vh);
  transform-origin: right top;
}

.slider > div {
  transform: rotate(90deg);
  transform-origin: right top;
}

.slider img {
    height: 100vh;
}