* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: black;
  cursor: none;
}
#slider-container {
  width: 100%;
  height: 100%;
  position: relative;
}
.media-item {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
    object-fit: cover;
    background: black;
}
.media-item:not(.rotate) {
    width: 100%;
    height: 100%;
}
.media-item.rotate {
  transform: rotate(-90deg) translateY(-100vh);
  transform-origin: center;
  transform-origin: right top;
}
.media-item.active {
    opacity: 1;
  }