<style>.custom.form_label{margin-bottom: 0.6rem}.field.custom{margin-top:0}.custom .field_input{padding-top:0.8rem}</style>
<label class="form__label custom" for="your-label">Your label</label>
<div class="field custom">
<input class="field__input" form="{{ 'product-form-' | append: section.id }}" type="text" id="your-label" name="properties[Your label]">
</div>