<!DOCTYPE html>
<p>There should be a blue square below. To the right of the square there should be two blue vertical
    lines, with the same height as the square.</p>
<div style="-webkit-columns:3; -webkit-column-rule:5px solid blue; -webkit-column-gap:5px; width:310px; height:315px; line-height:50px;">
    <div style="height:945px; background:blue;"></div>
    <br><br><br><br><br><br>
    <br><br><br><br><br><br>
    <br><br><br><br><br><br>
</div>