Forms: Grouped Input

<form method="post" enctype="multipart/form-data" action="#">
    <div class='form-row'>
        <div class='form-group'>
            <label>
                <span class='form-field__label'>Email</span>
                <input type='text' class='form-input form-input--email' type='email' placeholder='e.g. you@example.com' />
            </label>
            <input type='submit' value='Subscribe' />
        </div>
    </div>
</form>