woocommerce/plugins/woocommerce-blocks/packages/components/checkbox-list/style.scss

.editor-styles-wrapper .wc-block-components-checkbox-list,
.wc-block-components-checkbox-list {
	margin: 0;
	padding: 0;
	list-style: none outside;

	li {
		margin: 0 0 $gap-smallest;
		padding: 0;
		list-style: none outside;
	}

	li.show-more,
	li.show-less {
		button {
			background: none;
			border: none;
			padding: 0;
			text-decoration: underline;
			cursor: pointer;
		}
	}

	&.is-loading {
		li {
			@include placeholder();
		}
	}
}