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

:root {
    --transition: 5s cubic-bezier(.02, .6, 0 ,1)
}

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

.slider {
    height: 100%;

}

.slider__layer {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    will-change: transform;
}

.slider__layer::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    box-shadow: inset 0 0 250px #000;
}

.slider__item {
    overflow: hidden;
}

.slider__wrapper {
    will-change: transform;
    transform-style: preserve-3d;
}