<ul class="grid height-100vh">
<li class="col-6">
<div class="bg-light shadow-ring shadow-md inner-glow"></div>
</li>
<li class="bg col-6" data-theme="dark">
<div class="bg-light shadow-ring shadow-md inner-glow"></div>
</li>
</ul>
li {
display: flex;
align-items: center;
justify-content: center;
}
div {
aspect-ratio: 1/1;
width: min(250px, 70%);
border-radius: var(--radius-md);
}
This Pen doesn't use any external JavaScript resources.