* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  background-color: #000;
}

:root {
  --transiton: 1.75s cubic-bezier(0.2, 0.6, 0, 1);
}

.slider {
  height: 100%;
}
.slider__wrapper {
  will-change: transform;
  transition: var(--transiton) !important;
  transform-style: preserve-3d;
}
.slider__item {
  overflow: hidden;
}
.slider__layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
  transition: var(--transiton) !important;
}
.slider__layer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  box-shadow: inset 0 0 250px rgba(0, 0, 0, 0.3);
}