<div class="grid">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
.grid {
display: grid;
grid-auto-flow: dense;
grid-auto-rows: 100px;
grid-auto-columns: 1fr;
grid-gap: 5px;
}
.grid :nth-child(6n + 2) {
grid-column: 1;
}
.grid :nth-child(6n + 3) {
grid-area: span 2/2;
}
.grid :nth-child(6n + 4) {
grid-row: span 2;
}
/**/
.grid {
max-width: 600px;
margin: auto;
counter-reset: num;
}
.grid * {
border: 2px solid;
font-size: 30px;
box-sizing: border-box;
font-family: sans-serif;
display: grid;
place-content: center;
}
.grid *:before {
content: counter(num);
counter-increment: num;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.