<body>
<header>
<div>
<h1>Stacking Cards Animation</h1>
<p>Scroll down to stack the cards. Scroll back up to unstack them.</p>
</div>
</header>
<main>
<ul id="cards">
<li class="card" id="card-1">
<div class="card-content">
<div>
<h2>Card One</h2>
<p>This is the content of card one. Lorem ipsum dolor sit amet consectetur adipisicing elit.</p>
</div>
<figure>
<img src="https://assets.codepen.io/210284/flower-9.jpg" alt="card-one">
</figure>
</div>
</li>
<li class="card" id="card-2">
<div class="card-content">
<div>
<h2>Card Two</h2>
<p>This is the content of card two. Lorem ipsum dolor sit amet consectetur adipisicing elit.</p>
</div>
<figure>
<img src="https://assets.codepen.io/210284/flower-8.jpg" alt="card two">
</figure>
</div>
</li>
<li class="card" id="card-3">
<div class="card-content">
<div>
<h2>Card Three</h2>
<p>This is the content of card three. Lorem ipsum dolor sit amet consectetur adipisicing elit.</p>
</div>
<figure>
<img src="https://assets.codepen.io/210284/flower-7.jpg" alt="card three">
</figure>
</div>
</li>
<li class="card" id="card-4">
<div class="card-content">
<div>
<h2>Card Four</h2>
<p>This is the content of card four. Lorem ipsum dolor sit amet consectetur adipisicing elit.</p>
</div>
<figure>
<img src="https://assets.codepen.io/210284/flower-6.jpg" alt="card four">
</figure>
</div>
</li>
</ul>
</main>
</body>
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;700&family=DM+Mono:wght@400;500&display=swap');
:root {
--card-height: 40vw;
--card-margin: 4vw;
--card-top-offset: 1em;
--numcards: 4;
--outline-width: 0px;
}
body {
background: #131212;
color: beige;
text-align: center;
padding-bottom: 20vh
}
header, main {
width: 80vw;
margin: 0 auto;
}
header {
height: 35vh;
display: grid;
place-items: center;
margin-bottom: 80px;
}
#cards {
list-style: none;
display: grid;
grid-template-columns: 1fr;
grid-template-rows: repeat(var(--numcards), var(--card-height));
gap: var(--card-margin);
padding-bottom: calc(var(--numcards) * var(--card-top-offset));
margin-bottom: var(--card-margin);
}
#card-1 {
--index: 1;
}
#card-2 {
--index: 2;
}
#card-3 {
--index: 3;
}
#card-4 {
--index: 4;
}
.card {
position: sticky;
top: 0;
padding-top: calc(var(--index) * var(--card-top-offset));
}
.card-content {
box-shadow: 0 0.2em 1em rgba(0, 0, 0, 0.1), 0 1em 2em rgba(0, 0, 0, 0.1);
background: #fffaf2;
color: #131212;
border-radius: 2rem;
overflow: hidden;
display: grid;
grid-template-areas: "text img";
grid-template-columns: 1fr 1fr;
grid-template-rows: auto;
align-items: stretch;
padding: 1.4em;
}
.card-content > div {
grid-area: text;
width: 95%;
max-width: 800px;
place-self: center;
text-align: left;
display: grid;
gap: 1em;
place-items: start;
}
.card-content > figure {
grid-area: img;
overflow: hidden;
}
.card-content > figure > img {
width: 100%;
height: 100%;
object-fit: cover;
border-radius: .4em;
}
h1 {
font-weight: 300;
font-size: 3rem;
margin-bottom: 1rem;
font-family: 'Cormorant Garamond', serif;
}
h2 {
font-weight: bold;
font-size: 2.5rem;
font-family: 'Cormorant Garamond', serif;
margin: 0;
}
p {
font-weight: 300;
line-height: 1.42;
font-size: 1.1rem;
}
/* Animation */
@supports (animation-timeline: works) {
@scroll-timeline cards-element-scrolls-in-body {
source: selector(body);
scroll-offsets:
selector(#cards) start 1,
selector(#cards) start 0
;
start: selector(#cards) start 1;
end: selector(#cards) start 0;
time-range: 4s;
}
.card {
--index0: calc(var(--index) - 1);
--reverse-index: calc(var(--numcards) - var(--index0));
--reverse-index0: calc(var(--reverse-index) - 1);
}
.card__content {
transform-origin: 50% 0%;
will-change: transform;
--duration: calc(var(--reverse-index0) * 1s);
--delay: calc(var(--index0) * 1s);
animation: var(--duration) linear scale var(--delay) forwards;
animation-timeline: cards-element-scrolls-in-body;
}
@keyframes scale {
to {
transform:
scale(calc(
1.1
-
calc(0.1 * var(--reverse-index))
));
}
}
}
This Pen doesn't use any external JavaScript resources.