Markup: templates/output/04-elements/forms/input/text.html
<div class="flex__12 powermail_fieldwrap">
<label for="demoformid-text">Last name</label>
<input class="" type="text" id="demoformid-text" name="" placeholder="Text Input"/>
</div>
<div class="flex__12 powermail_fieldwrap">
<label for="demoformid-text-error">Last name</label>
<input class="" type="text" id="demoformid-text-error" name="" placeholder="Text Input"/>
<ul class="powermail-errors-list">
<li>This field is required</li>
</ul>
</div>
Source:
assets/sass/04-elements/_elements.forms.scss
, line 95