woocommerce/plugins/woocommerce-blocks/assets/js/base/components/checkout/no-shipping/style.scss

.wc-block-checkout__no-shipping .components-placeholder__fieldset {
	display: block;
}

.wc-block-checkout__no-shipping-description {
	display: block;
	margin: 0.25em 0 1em 0;
	font-size: 13px;
}