<!DOCTYPE html>
<p>The word 'PASS' (flipped) should be seen below.</p>
<div style="will-change:transform; float:left; width:10em; height:10em; background:white;"></div>
<div style="-webkit-writing-mode:vertical-rl; float:left; width:12em;">
    <div style="position:relative; width:10em;">
        <div style="width:12em;"></div>
        PASS
    </div>
</div>