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

Back Editing: style.css

.wp-block-categories{ box-sizing:border-box; } .wp-block-categories.alignleft{ margin-right:2em; } .wp-block-categories.alignright{ margin-left:2em; } .wp-block-categories.wp-block-categories-dropdown.aligncenter{ text-align:center; } .wp-block-categories .wp-block-categories__label{ display:block; width:100%; }

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