Current directory: [site root]/wp-includes/blocks/footnotes/

Back Editing: style.css

.editor-styles-wrapper,.entry-content{ counter-reset:footnotes; } a[data-fn].fn{ counter-increment:footnotes; display:inline-flex; font-size:smaller; text-decoration:none; text-indent:-9999999px; vertical-align:super; } a[data-fn].fn:after{ content:"[" counter(footnotes) "]"; float:left; text-indent:0; }

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