WP File Manager

Name	Action
..
block.json	Edit
editor-rtl.css	Edit
editor-rtl.min.css	Edit
editor.css	Edit
editor.min.css	Edit
style-rtl.css	Edit
style-rtl.min.css	Edit
style.css	Edit
style.min.css	Edit

Editing: style-rtl.css

.wp-block-text-columns,.wp-block-text-columns.aligncenter{ display:flex; } .wp-block-text-columns .wp-block-column{ margin:0 1em; padding:0; } .wp-block-text-columns .wp-block-column:first-child{ margin-right:0; } .wp-block-text-columns .wp-block-column:last-child{ margin-left:0; } .wp-block-text-columns.columns-2 .wp-block-column{ width:50%; } .wp-block-text-columns.columns-3 .wp-block-column{ width:33.33333%; } .wp-block-text-columns.columns-4 .wp-block-column{ width:25%; }