Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<title>flexbox | multicol</title>
<style>
div {
background: black;
}
</style>
<div>x</div>
<!DOCTYPE html>
<title>flexbox | multicol</title>
<style>
div {
background: black;
}
</style>
<div>x</div>