website/assets/sass/carousel.scss

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// FROM https://css-tricks.com/css-only-carousel/
@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;
}
}
* {
box-sizing: border-box;
scrollbar-color: transparent transparent; /* thumb and track color */
scrollbar-width: 0px;
}
*::-webkit-scrollbar {
width: 0;
}
*::-webkit-scrollbar-track {
background: transparent;
}
*::-webkit-scrollbar-thumb {
background: transparent;
border: none;
}
* {
-ms-overflow-style: none;
}
$height: 30rem;
.carousel {
ol, li {
list-style: none;
margin: 0;
padding: 0;
}
position: relative;
filter: drop-shadow(0 0 10px #0003);
perspective: 100px;
// define the height of the whole carousel
height: $height;
}
.carousel__viewport {
position: absolute;
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z-index: 2;
top: 0;
right: 0;
bottom: 0;
left: 0;
display: flex;
overflow-x: scroll;
counter-reset: item;
scroll-behavior: smooth;
scroll-snap-type: x mandatory;
}
.carousel__slide {
position: relative;
flex: 0 0 100%;
width: 100%;
counter-increment: item;
z-index: 1; // important: need to have a base set
}
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.slide-content {
position: absolute;
width: 100%;
z-index: 0;
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.slide-image {
width: 100%;
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padding: 0;
margin: 0;
img {
border-radius: 2px;
object-fit: cover;
max-height: 22rem;
}
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figcaption {
font-size: .9rem;
opacity: 0.9;
text-align: center;
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margin-top: 1rem;
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}
}
}
.slide-inner {
}
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// .carousel__slide:nth-child(even) {
// background-color: #99f;
// }
.carousel__slide:before {
position: absolute;
top: 50%;
left: 50%;
transform: translate3d(-50%,-40%,70px);
color: #fff;
font-size: 2em;
}
.carousel__snapper {
position: sticky;
top: 0;
left: 0;
width: 100%;
height: 100%;
scroll-snap-align: center;
z-index: 2;
pointer-events: none; // let the slide content take the pointer events
}
// @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;
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z-index: 2;
right: 0;
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bottom: 1rem;
left: 0;
text-align: center;
}
.carousel__navigation-list,
.carousel__navigation-item {
display: flex;
justify-content: center;
}
.carousel__navigation-button {
display: inline-block;
width: 1.5rem;
height: 1.5rem;
background-clip: content-box;
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background-color: #eeeeee;
box-shadow: inset 0 0 2px black;
border: 0.25rem solid transparent;
border-radius: 50%;
font-size: 0;
transition: transform 0.1s;
}
.carousel::before,
.carousel::after,
.carousel__prev,
.carousel__next {
position: absolute;
top: 0;
width: 4rem;
height: 4rem;
transform: translateY($height/2 - 2rem);
border-radius: 50%;
font-size: 0;
outline: 0;
z-index: 2;
}
.carousel::before,
.carousel__prev {
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left: -0.5rem;
}
.carousel::after,
.carousel__next {
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right: -0.5rem;
}
.carousel__prev,.carousel__next {
// make sure that the square on each side is can be interacted with
pointer-events: visible !important;
}
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// the big circle navigation button left and right
.carousel::before,
.carousel::after {
content: '';
z-index: 10;
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background-color: transparent;
opacity: 0.65;
background-size: 1.5rem 1.5rem;
background-repeat: no-repeat;
background-position: center center;
font-size: 2.5rem;
line-height: 4rem;
text-align: center;
pointer-events: none;
}
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.carousel::before:hover, .carousel::after:hover {
opacity: 1 !important;
}
.carousel::before {
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background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolygon points='0,50 80,100 80,0' /%3E%3C/svg%3E");
}
.carousel::after {
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background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolygon points='100,50 20,100 20,0' /%3E%3C/svg%3E");
}
.carousel__navigation-item {
display: flex;
align-items: center;
}
.carousel__navigation-item.enabled {
.carousel__navigation-button {
opacity: 0.5;
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background-color: lighten($accent, 0%);
}
}
@media (max-width: $md-breakpoint) {
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$md-height: 47rem;
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.carousel {
height: $md-height !important;
}
.carousel::before,
.carousel::after,
.carousel__prev,
.carousel__next {
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transform: translateY($md-height - 4.5rem) !important;
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}
.carousel::next {
}
}
// layout definitions inside the slides
.layout-grid-image {
display: grid;
grid-column-gap: 2rem;
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min-height: 25rem;
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.image-container {
margin-top: 1.5rem;
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display: flex;
align-items: center;
}
}
.double-image-container {
display: flex;
}
.layout-grid-image.third {
grid-template-columns: 3fr 1fr;
}
.layout-grid-image.half {
grid-template-columns: 1fr 1fr;
}
@media (max-width: $md-breakpoint) {
.carousel {
.layout-grid-image.half {
display: block;
}
.layout-grid-image.third {
display: block;
}
.image-container {
display: flex;
justify-content: center;
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padding-top: 1rem;
}
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.slide-image {
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height: 20rem;
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img {
width: auto;
height: 100%;
max-height: initial !important;
object-fit: contain;
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}
}
}
}
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@media (max-width: $sm-breakpoint) {
.carousel {
.image-container {
padding-top: 0rem;
}
.slide-image {
height: 16rem;
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}
}
}