Input

Single-line text entry, 44px tall, with clear borders and focus.

Parcel number

Show the markup

<div class="cc-field">
  <label class="cc-label" for="ex-input">Parcel number</label>
  <input class="cc-input" id="ex-input">
</div>

Accessibility

2px borders at 9.6:1 contrast — the field is findable at a glance (1.4.11 non-text contrast, exceeded).
Use the right type/inputmode so mobile keyboards match the data.
See Textfield for the composed pattern.