firefly-iii/resources/views/form/integer.twig

<div class="{{ classes }}" id="{{ name }}_holder">
    <label for="{{ options.id }}" class="col-sm-4 control-label">{{ label }}</label>

    <div class="col-sm-8">
        <div class="input-group">
            {{ Form.input('number', name, value, options) }}
            {% include 'form/feedback.twig' %}
        </div>
    </div>
</div>