chamilo-lms2/main/template/forge/learnpath/impress.tpl

<div class="fallback-message">
    <p>Your browser <b>doesn't support the features required</b> by impress.js, so you are presented with a simplified version of this presentation.</p>
    <p>For the best experience please use the latest <b>Chrome</b>, <b>Safari</b> or <b>Firefox</b> browser.</p>
</div>

<div id="impress">
    {{ html }}
</div>

<div class="hint">
    <p>Use a spacebar or arrow keys to navigate</p>
</div>
<script>
if ("ontouchstart" in document.documentElement) { 
    document.querySelector(".hint").innerHTML = "<p>Tap on the left or right to navigate</p>";
}
</script>

<script>     
$(document).ready(function() {
    impress().init(); 
});
</script>
<script type="text/javascript" src="{{_p.web_lib}}javascript/impress/impress.js"></script>