<div class="widget_wysija_cont widget_wysija">
    <div class="wysija-paragraph">
        [email* your-email class:form-control class:wysija-input placeholder "Enter Email Address"]
    </div>
    <div class="d-table-cell">
        [submit class:btn class:btn-default class:wysija-submit "Subscribe!"]
    </div>
</div>