'padding-0', 'label' => esc_html__( 'No Padding', 'botaniical' ), ) ); //Wp Block Columns Gap Zero register_block_style( 'core/columns', array( 'name' => 'have-gap-0', 'label' => esc_html__( 'Gap Zero', 'botaniical' ), ) ); } add_action( 'init', 'botaniical_register_block_styles' ); }