rellax-howto.html

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<div class="wp-block-group"><!-- wp:html -->
<figure class="rellax" data-rellax-speed="7" class="wp-block-image size-full is-resized"><img src="https://thoth.dk/wp-content/uploads/2023/01/astronaut-wp.jpeg" alt="" class="wp-image-7" width="192" height="192"/></figure>
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<figure class="rellax wp-block-image size-full is-resized" data-rellax-speed="3"> <img src="https://thoth.dk/wp-content/uploads/2023/02/superwoman-coder.jpeg" alt="" class="wp-image-628" width="256" height="256"></figure>
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<div class="wp-block-cover alignfull is-light" style="min-height:200vh"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-0 has-background-dim"></span><img class="wp-block-cover__image-background wp-image-279" alt="" src="https://thoth.dk/wp-content/uploads/2023/02/IMG_20200724_121743.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:html -->
<figure class="rellax wp-block-image size-full is-resized"><img src="https://thoth.dk/wp-content/uploads/2023/02/superwoman-coder.jpeg" alt="" class="wp-image-628" width="140" height="140"></figure>
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<script src="https://cdn.jsdelivr.net/gh/dixonandmoe/rellax@master/rellax.min.js"></script>
<script>
  // Accepts any class name
  var rellax = new Rellax('.rellax');
</script>
<!-- /wp:html -->