<div class="uk-section uk-section-default uk-flex uk-flex-middle" uk-height-viewport>
    <div class="uk-width-1-1">
        <div class="uk-container uk-text-center">

            <button class="uk-button uk-button-default" uk-toggle="target: #offcanvas-test" type="button">Open</button>

        </div>
    </div>
</div>

<div id="offcanvas-test" uk-offcanvas="overlay: true">
    <div class="uk-offcanvas-bar">

        <button class="uk-offcanvas-close" type="button" uk-close></button>

        <ul class="uk-nav uk-nav-default">
            <li class="uk-active"><a href="#">Active</a></li>
            <li class="uk-parent">
                <a href="#">Parent</a>
                <ul class="uk-nav-sub">
                    <li><a href="#">Sub item</a></li>
                    <li><a href="#">Sub item</a></li>
                </ul>
            </li>
            <li class="uk-nav-header">Header</li>
            <li><a href="#"><span class="uk-margin-small-right" uk-icon="icon: table"></span> Item</a></li>
            <li><a href="#"><span class="uk-margin-small-right" uk-icon="icon: thumbnails"></span> Item</a></li>
            <li class="uk-nav-divider"></li>
            <li><a href="#"><span class="uk-margin-small-right" uk-icon="icon: trash"></span> Item</a></li>
        </ul>

        <h3>Title</h3>

        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>

    </div>
</div>