<!DOCTYPE html>
<style>
body {
-webkit-writing-mode: vertical-lr;
}
.float {
float: left;
width: 100px;
height: 200px;
background-color: lime;
}
.multicol {
height: 400px;
border: 10px solid black;
line-height: 20px;
display: inline-block;
vertical-align: bottom;
}
.multicol > div {
float: left;
height: 200px;
}
</style>
<div class="float">
</div>
<div class="multicol">
<div>
First column<br>
First column<br>
First column<br>
First column<br>
First column<br>
</div>
<div>
Second column<br>
Second column<br>
Second column<br>
Second column<br>
Second column<br>
</div>
</div>