{namespace vh=In2code\Powermail\ViewHelpers}
{namespace f=TYPO3\CMS\Fluid\ViewHelpers}

<fieldset class="container-fluid p-0 powermail_fieldset powermail_fieldset_{page.uid} {page.css}">
  <div class="row flex-column">
    <legend class="powermail_legend">{page.title}</legend>
    <f:for each="{page.fields}" as ="field" iteration="iteration">
      <vh:misc.createRowTags columns="{settings.styles.numberOfColumns}" class="{settings.styles.framework.rowClasses}" iteration="{iteration}">
        <f:render partial="Form/Field/{vh:String.Upper(string:field.type)}" arguments="{field:field, cssclass:cssclass}" />        
      </vh:misc.createRowTags>
    </f:for>
  </div>
</fieldset>