<!DOCTYPE html>
<style>
div {
width: 3em;
border: thin solid;
white-space: balance;
}
.float { float: left; }
</style>
<div class="float">2</div>
<div>3</div>
<!DOCTYPE html>
<style>
div {
width: 3em;
border: thin solid;
white-space: balance;
}
.float { float: left; }
</style>
<div class="float">2</div>
<div>3</div>