<div class="container">
<p class="column column-1">1</p>
<p class="column column-2">2</p>
<p class="column column-3">3</p>
<p class="column column-4">4</p>
<p class="column column-5">5</p>
<p class="column column-6">6</p>
</div>
.container {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
grid-auto-flow: dense;
gap: 10px;
}
.column-3,
.column-5 {
grid-column-end: span 2;
}
/* etc: */
body {
margin: 1.5em;
font-size: 130%;
}
.column {
background: #b3e888;
padding: 1em;
margin-top: 0;
margin-bottom: 0;
font-family: monospace;
text-align: center;
border: 1px solid darkgreen;
/* "border-collapse" hack */
margin-left: -1px;
margin-top: -1px;
}
.container {
border: 5px solid black;
padding: 1em;
margin-bottom: 2em;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.