woocommerce/plugins/woocommerce-blocks/assets/js/blocks/cart-checkout/checkout/no-shipping-placeholder/style.scss

.components-placeholder.wc-block-checkout__no-shipping-placeholder {
	margin-bottom: $gap;

	* {
		pointer-events: all; // Overrides parent disabled component in editor context
	}

	.components-placeholder__fieldset {
		display: block;

		.components-button {
			background-color: $black;
			color: $white;
		}

		.wc-block-checkout__no-shipping-placeholder-description {
			display: block;
			margin: 0.25em 0 1em 0;
		}
	}
}