<!DOCTYPE html>
<p style="height:200px;">There should be a square-shaped outline
below, probably with rounded borders.</p>
<div style="outline:auto; width:100px; height:100px;"></div>
<!DOCTYPE html>
<p style="height:200px;">There should be a square-shaped outline
below, probably with rounded borders.</p>
<div style="outline:auto; width:100px; height:100px;"></div>