@wordpress/block-library/build-style/text-columns/editor.css

Block library for the WordPress editor.

/**
 * Colors
 */
/**
 * SCSS Variables.
 *
 * Please use variables from this sheet to ensure consistency across the UI.
 * Don't add to this sheet unless you're pretty sure the value will be reused in many places.
 * For example, don't add rules to this sheet that affect block visuals. It's purely for UI.
 */
/**
 * Fonts & basic variables.
 */
/**
 * Typography
 */
/**
 * Grid System.
 * https://make.wordpress.org/design/2019/10/31/proposal-a-consistent-spacing-system-for-wordpress/
 */
/**
 * Radius scale.
 */
/**
 * Elevation scale.
 */
/**
 * Dimensions.
 */
/**
 * Mobile specific styles
 */
/**
 * Editor styles.
 */
/**
 * Block & Editor UI.
 */
/**
 * Block paddings.
 */
/**
 * React Native specific.
 * These variables do not appear to be used anywhere else.
 */
.wp-block-text-columns .block-editor-rich-text__editable:focus {
  outline: 1px solid #ddd;
}