<h3>Grid items are set in percentage units</h3>
<div class="container" style="--columns: repeat(4, 25%)">
  <figure>
    <img src="https://picsum.photos/300/300?random=1" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=2" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=3" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=4" alt="">
  </figure>
</div>
<h3>Grid items are set in percentage units</h3>
<div class="container" style="--columns: repeat(4, calc(100% - 3 * 1rem) / 4))">
  <figure>
    <img src="https://picsum.photos/300/300?random=1" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=2" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=3" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=4" alt="">
  </figure>
</div>

<h3>Grid items are set in percentage units</h3>
<div class="container" style="--columns: repeat(4, calc(100% - 3 * 1rem) / 4))">
  <figure>
    <img src="https://picsum.photos/300/300?random=1" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=2" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=3" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=4" alt="">
  </figure>
</div>
<h3>Grid items are set in fraction units</h3>
<div class="container" style="--columns: repeat(4, 1fr)">
  <figure>
    <img src="https://picsum.photos/300/300?random=5" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=6" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=7" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=8" alt="">
  </figure>
</div>
<h3>Grid items are set in fraction units</h3>
<div class="container" style="--columns: repeat(4, 25fr)">
  <figure>
    <img src="https://picsum.photos/300/300?random=5" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=6" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=7" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/300/300?random=8" alt="">
  </figure>
</div>
@import url("https://fonts.googleapis.com/css2?family=Exo:wght@600&display=swap");

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

body {
  width: 100vw;
  min-height: 100vh;
  font-family: "Exo", Arial, sans-serif;
  background-color: #557;
  color: #fff;
  display: grid;
  grid-template-columns: 1fr min(100% - 10px, 700px) 1fr;
  gap: 1rem;
  align-items: start;
  align-content: start;
}

body > * {
  grid-column: 2 / 3;
}

figure {
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  border: 1px solid rgb(0 0 0 / 0.125);
  box-shadow: 0 0 1px 1px rgb(0 0 0 / 0.025);
  overflow: hidden;
  margin: 0;
  padding: 0;
}

figure img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.container {
  padding: 1rem;
  border: 1px dashed #09face;
  border-radius: 6px;
  display: grid;
  gap: 1rem;
  grid-template-columns: var(--columns, repeat(4, 1fr));
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.