<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">

            <div class="uk-inline">
                <canvas width="800" height="400" class="test-img"></canvas>
                <a class="uk-position-absolute uk-transform-center" style="left: 20%; top: 30%" href="#" uk-marker></a>
                <a class="uk-position-absolute uk-transform-center" style="left: 60%; top: 40%" href="#" uk-marker></a>
                <a class="uk-position-absolute uk-transform-center" style="left: 80%; top: 70%" href="#" uk-marker></a>
            </div>

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