@keyframes tonext {
75% {
    left: 0;
}
95% {
    left: 100%;
}
98% {
    left: 100%;
}
99% {
    left: 0;
}
}

@keyframes tostart {
75% {
    left: 0;
}
95% {
    left: -300%;
}
98% {
    left: -300%;
}
99% {
    left: 0;
}
}

@keyframes snap {
96% {
    scroll-snap-align: center;
}
97% {
    scroll-snap-align: none;
}
99% {
    scroll-snap-align: none;
}
100% {
    scroll-snap-align: center;
}
}

body {
/* max-width: 37.5rem;
margin: 0 auto;
padding: 0 1.25rem;
font-family: 'Lato', sans-serif; */
}

ol, li {
list-style: none;
margin: 0;
padding: 0;
}

.carousel {
position: relative;
/* padding-top: 10%; */
filter: drop-shadow(0 0 10px #0003);
perspective: 100px;
}

.carousel__viewport {
position: relative;
/* top: 0;
right: 0;
bottom: 0;
left: 0; */
aspect-ratio: 16/9;
max-width: 90%;
margin-left: 5%;
display: flex;
/* align center */
overflow-x: scroll;
/* counter-reset: item; */
scroll-behavior: smooth;
scroll-snap-type: x mandatory;
border-radius: 30px;
}

.carousel__slide {
position: relative;
flex: 0 0 100%;
width: 100%;
background-color: #f99;
/* counter-increment: item; */
border-radius: 30px;
background-repeat: no-repeat;
background-size: cover;

}

.carousel__slide:nth-child(even) {
background-color: #99f;
}

.carousel__slide:before {
/* content: counter(item); */
position: absolute;
top: 50%;
left: 50%;
transform: translate3d(-50%,-40%,70px);
color: #fff;
font-size: 2em;
}

.carousel__snapper {
position: absolute;
top: 0;
left: 0;
width: 100%;
scroll-snap-align: center;
}

@media (hover: hover) {
.carousel__snapper {
    animation-name: tonext, snap;
    animation-timing-function: ease;
    animation-duration: 4s;
    animation-iteration-count: infinite;
}

.carousel__slide:last-child .carousel__snapper {
    animation-name: tostart, snap;
}
}

@media (prefers-reduced-motion: reduce) {
.carousel__snapper {
    animation-name: none;
}
}

.carousel:hover .carousel__snapper,
.carousel:focus-within .carousel__snapper {
animation-name: none;
}

.carousel__navigation {
position: absolute;
right: 0;
bottom: 0;
left: 0;
text-align: center;
}

.carousel__navigation-list,
.carousel__navigation-item {
display: inline-block;
}

.carousel__navigation-button {
display: inline-block;
width: 1.5rem;
height: 1.5rem;
background-color: #333;
background-clip: content-box;
border: 0.25rem solid transparent;
border-radius: 50%;
font-size: 0;
transition: transform 0.1s;
}


.carousel::before,
.carousel__prev {
left: -1rem;
}

.carousel::after,
.carousel__next {
right: -1rem;
}

.carousel::before,
.carousel::after {
content: '';
z-index: 1;
background-color: #333;
background-size: 1.5rem 1.5rem;
background-repeat: no-repeat;
background-position: center center;
color: #fff;
font-size: 2.5rem;
line-height: 4rem;
text-align: center;
pointer-events: none;
}