themes-wordpress/spearhead/assets/sass/block-extends/_navigation.scss

.wp-block-navigation {
	.wp-block-navigation__container {
		p {
			line-height: 2.5;
		}

		.wp-block-navigation-link {
			.wp-block-navigation-link__content {
				color: var(--wp--style--color--link, var(--global--color-primary));
				line-height: 1;
				margin: calc( var(--primary-nav--padding) - 1px );
				padding: 0;

				.wp-block-navigation-link__label {
					font-size: var(--global--font-size-root);
					font-weight: var(--global--link-font-weight);
				}
			}
		}
	}
}