Adding background music
Easily add mood-enhancing background music to your page. Just place an HTML content element on the page with the following code:
<div style="position: fixed;top: 0;right: 0;">
<audio controls="true" loop="true" autoplay="true">
<source src="/typo3conf/ext/adventskalender/Resources/Public/Themes/Theme04/RushJet1_-_O_Holy_Night.mp3" type="audio/mpeg">
</audio>
</div>
Warning:
Please note that you need an appropriate license or permission to play music.