themes-wordpress/fewer/parts/post-meta.html

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<div class="wp-block-group"><!-- wp:group {"style":{"elements":{"link":{"color":{"text":"var:preset|color|secondary"}}},"spacing":{"blockGap":"var:preset|spacing|20"}},"textColor":"secondary","layout":{"type":"flex"}} -->
<div class="wp-block-group has-secondary-color has-text-color has-link-color"><!-- wp:group {"style":{"spacing":{"blockGap":"0.2em"}},"layout":{"type":"flex","flexWrap":"nowrap"}} -->
<div class="wp-block-group"><!-- wp:paragraph {"fontSize":"small"} -->
<p class="has-small-font-size">By</p>
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<!-- wp:post-author-name {"fontSize":"small"} /--></div>
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<!-- wp:paragraph {"fontSize":"small"} -->
<p class="has-small-font-size">·</p>
<!-- /wp:paragraph -->

<!-- wp:post-date {"style":{"elements":{"link":{"color":{"text":"var:preset|color|secondary"}}}},"textColor":"secondary","fontSize":"small"} /--></div>
<!-- /wp:group --></div>
<!-- /wp:group -->