themes-wordpress/varia/sass/layout/_editor.scss

/**
 * Editor Structure
 */

/**
 * Content Width
 * - Set vertical padding and horizontal margins
 */

$horizontal-padding: (2 * map-deep-get($config-global, "spacing", "horizontal") - 30px);
$content-width-flex: 100%;
$content-width-sm: ( map-deep-get($config-global, "breakpoint", "sm") - $horizontal-padding );
$content-width-md: ( map-deep-get($config-global, "breakpoint", "md") - $horizontal-padding );
$content-width-lg: ( map-deep-get($config-global, "breakpoint", "lg") - $horizontal-padding );
$content-width-xl: ( map-deep-get($config-global, "breakpoint", "xl") - $horizontal-padding );
$content-width-xxl:( map-deep-get($config-global, "breakpoint", "xxl") - $horizontal-padding );

/* Width of "default" blocks */
.wp-block {
	max-width: $content-width-lg;
}

/* Width of "wide" blocks */
.wp-block[data-align="wide"] {
    max-width: $content-width-xl;
}