woocommerce/plugins/woocommerce-blocks/assets/js/blocks/checkout/inner-blocks/checkout-shipping-methods-block/style.scss

.wc-block-checkout__shipping-option {
	.wc-block-components-radio-control__option {
		margin: 0;
		padding: 0.875em 0.875em 0.875em em($gap-huge);
	}

	.wc-block-components-shipping-rates-control__no-results-notice {
		margin: em($gap-small) 0;
	}
}