<fieldset style="float:left"><legend style="font-size:48px">Legend Title</legend>
    <div style="columns:2;">
    This content should be in two columns. It really should be.<br>
    This content should be in two columns. It really should be.<br>
    This content should be in two columns. It really should be.<br>
    This content should be in two columns. It really should be.<br>
    This content should be in two columns. It really should be.<br>
    This content should be in two columns. It really should be.<br>
    This content should be in two columns. It really should be.<br>
    This content should be in two columns. It really should be.<br>
    This content should be in two columns. It really should be.<br>
    This content should be in two columns. It really should be.<br>
    </div>
</fieldset>
