Twig: input-text-inline-submit.twig
{% set id = random() %}
<div class="form__item">
<label for="input{{ id }}">Input text field</label>
<span class="input__text--inline">
<input type="text" id="input{{ id }}" aria-describedby="input{{ id }}Help" class="{{ modifier_class }}">
<input class="button button--primary" type="submit" value="Search"/>
</span>
<div class="form__description" id="input{{ id }}Help" role="tooltip">Help text that provides additional information about the field.</div>
</div>