themes-wordpress/sten/parts/footer.html

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<div class="wp-block-group alignwide"><!-- wp:search {"showLabel":false,"placeholder":"Search...","width":75,"widthUnit":"%","buttonUseIcon":true,"style":{"layout":{"selfStretch":"fit"},"border":{"width":"0px","style":"none","radius":"4px"}},"anchor":""} /-->

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<p class="has-text-align-left" style="font-size:0.8rem">Designed with <a rel="nofollow" href="https://wordpress.org">WordPress</a></p>
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