Danke für die Hilfe - leider funktioniert es damit alleine wohl nicht

Ich möchte gerne etwas wie hier haben:
getuikit.com/v2/docs/slideshow.html#ken-burns-effect
Was mache ich falsch?
Code:
<div class="uk-slidenav-position" data-uk-slideshow>
<ul class="uk-slideshow uk-overlay uk-overlay-active" data-uk-slideshow="{autoplay:true,autoplayInterval:'5000',duration:'800',animation:'fade',kenburns:true,kenburgsanimations:'uk-animation-middle-left'}">
<li><img class="uk-overlay-scale" src="images/slideshow/slide0.jpg" />
<div class="uk-overlay-panel uk-overlay-background uk-flex uk-overlay-bottom uk-overlay-fade">
<div style="border: 2px solid #fff; padding: 20px; display: inline; margin: 0 auto;">
<h1>Comenius Realschule Wertheim</h1>
<p>Unsere Schule - modern und gut ausgestattet (Foto: © M. Giese)</p>
</div>
</div>
</li>
<li><img class="uk-overlay-scale" src="images/slideshow/slide1.jpg" />
<div class="uk-overlay-panel uk-overlay-background uk-flex uk-overlay-bottom uk-overlay-fade">
<div style="border: 2px solid #fff; padding: 20px; display: inline; margin: 0 auto;">
<h1>Lernräume</h1>
<p>Gruppenarbeit im Klassenzimmer (Foto: © M. Giese)</p>
</div>
</div>
</li>
<li><img class="uk-overlay-scale" src="images/slideshow/slide2.jpg" />
<div class="uk-overlay-panel uk-overlay-background uk-flex uk-overlay-bottom uk-overlay-fade">
<div style="border: 2px solid #fff; padding: 20px; display: inline; margin: 0 auto;">
<h1>Willkommen</h1>
<p>Eingangsbereich als "Fischaugen"-Panorama (Foto: © M. Giese)</p>
</div>
</div>
</li>
<li><img class="uk-overlay-scale" src="images/slideshow/slide3.jpg" />
<div class="uk-overlay-panel uk-overlay-background uk-flex uk-overlay-bottom uk-overlay-fade">
<div style="border: 2px solid #fff; padding: 20px; display: inline; margin: 0 auto;">
<h1>Unsere Schule lebt!</h1>
<p>Verabschiedung des ehemaligen Rektors Hans-Peter Otterbach (Foto: © M. Giese)</p>
</div>
</div>
</li>
<li><img class="uk-overlay-scale" src="images/slideshow/slide4.jpg" />
<div class="uk-overlay-panel uk-overlay-background uk-flex uk-overlay-bottom uk-overlay-fade">
<div style="border: 2px solid #fff; padding: 20px; display: inline; margin: 0 auto;">
<h1>Feste und Aktionen</h1>
<p>Adventscafé 2019 (Foto: © M. Giese)</p>
</div>
</div>
</li>
<li><img class="uk-overlay-scale" src="images/slideshow/slide5.jpg" />
<div class="uk-overlay-panel uk-overlay-background uk-flex uk-overlay-bottom uk-overlay-fade">
<div style="border: 2px solid #fff; padding: 20px; display: inline; margin: 0 auto;">
<h1>Abendstimmung</h1>
<p>...an Fun-Court und Sporthalle (Foto: © M. Giese)</p>
</div>
</div>
</li>
<li><img class="uk-overlay-scale" src="images/slideshow/slide6.jpg" />
<div class="uk-overlay-panel uk-overlay-background uk-flex uk-overlay-bottom uk-overlay-fade">
<div style="border: 2px solid #fff; padding: 20px; display: inline; margin: 0 auto;">
<h1>Unsere Schule</h1>
<p>... von oben (Foto: © M. Giese)</p>
</div>
</div>
</li>
</ul>
<a class="uk-slidenav uk-slidenav-contrast uk-slidenav-previous" style="padding-left:25px;" data-uk-slideshow-item="previous"></a>
<a class="uk-slidenav uk-slidenav-contrast uk-slidenav-next" style="padding-right:25px;" data-uk-slideshow-item="next"></a>
<ul class="uk-dotnav uk-dotnav-contrast uk-position-top uk-flex-center" style="padding:10px;">
<li data-uk-slideshow-item="0"><a></a></li>
<li data-uk-slideshow-item="1"><a></a></li>
<li data-uk-slideshow-item="2"><a></a></li>
<li data-uk-slideshow-item="3"><a></a></li>
<li data-uk-slideshow-item="4"><a></a></li>
<li data-uk-slideshow-item="5"><a></a></li>
<li data-uk-slideshow-item="6"><a></a></li>
</ul>
</div>
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