Field

<label class="field field--has-placeholder">
  <span class="field__label">First name</span>
  <input
    type="text"
    placeholder="First name"
    class="field__input"
    />
</label>

<label class="field field--has-placeholder field--has-icon">
  <span class="field__label">First name</span>
  <input
    type="text"
    value="First name"
    placeholder="First name"
    readonly
    class="field__input"
    />
  <svg class="icon field__icon"><use xlink:href="#icon-lock"></use></svg>
</label>