ot_typo3/ot_templating/Resources/Private/Partials/Modern/Preloader.html

<div id="pre-loader">
    <f:image src="EXT:ot_templating/Resources/Public/assets/Modern/images/pre-loader/loader-06.svg" alt="" id="preloader-cmf"/>
    <f:image src="EXT:ot_templating/Resources/Public/assets/Modern/images/pre-loader/loader-20.gif" alt="" id="preloader"/>
</div>