themes-wordpress/varia/sass/components/header/_site-branding.scss

// Site logo

.site-logo {

}

// Site branding

.site-branding {
	color: #{map-deep-get($config-header, "branding", "color", "text")};
}

// Site title

.site-title {

	color: #{map-deep-get($config-header, "branding", "color", "link")};
	@include font-family( map-deep-get( $config-header, "branding", "title", "font", "family" ) );
	letter-spacing: normal;
	line-height: #{map-deep-get($config-header, "branding", "title", "font", "line-height")};

	a {
		color: currentColor;
		font-weight: #{map-deep-get($config-header, "branding", "title", "font", "weight")};

		&:link,
		&:visited {
			color: currentColor;
		}

		&:hover {
			color: #{map-deep-get($config-header, "branding", "color", "link-hover")};
		}
	}
}

// Site description

.site-description {
	color: currentColor;
	@include font-family( map-deep-get($config-header, "branding", "description", "font", "family") );
}

// Prevent overruling the user defined font size value set inside Gutenberg
// for Full Site Editing's Site Title and Site Description blocks.
body:not( .fse-enabled ) {
	.site-title {
		font-size: #{map-deep-get($config-header, "branding", "title", "font", "size")};
	}
	.site-description {
		font-size: #{map-deep-get($config-header, "branding", "description", "font", "size")};
	}
}