Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<style>
#flex {
display: flex;
flex-direction: column;
flex-wrap: wrap;
gap: 20px;
width: 220px;
height: 220px;
}
#flex > div {
background: green;
width: 100px;
height: 100px;
}
</style>
<p>There should be three (3) green squares below.</p>
<div id="flex">
<div></div>
<div></div>
<div></div>
</div>