<label class="txt">
    <span class="txt-l">Default (filled)</span>
    <textarea placeholder="Full name" class="txt-f" rows="10">Danielle Cage</textarea>
  </label>
<label class="txt">
    <span class="txt-l">Default (placeholder)</span>
    <textarea placeholder="Your email address" class="txt-f" rows="10"></textarea>
  </label>
<label class="txt">
    <span class="txt-l">Small (filled)</span>
    <textarea placeholder="Full name" class="txt-f" rows="10">Steve Rogers</textarea>
  </label>
<label class="txt">
    <span class="txt-l">Small (placeholder)</span>
    <textarea placeholder="Full name" class="txt-f" rows="10"></textarea>
  </label>

Fleet supports creating form elements with explicit and implicit labels. The preferred use is to utilize explicit labelling if possible. According to the W3, explicit labelling is better supported by assistive technologies.