add_action( 'wp_enqueue_scripts', 'porto_child_css', 1001 );

// Load CSS
function porto_child_css() {
	// porto child theme styles
	wp_deregister_style( 'styles-child' );
	wp_register_style( 'styles-child', esc_url( get_stylesheet_directory_uri() ) . '/style.css' );
	wp_enqueue_style( 'styles-child' );

	if ( is_rtl() ) {
		wp_deregister_style( 'styles-child-rtl' );
		wp_register_style( 'styles-child-rtl', esc_url( get_stylesheet_directory_uri() ) . '/style_rtl.css' );
		wp_enqueue_style( 'styles-child-rtl' );
	}
}
<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	
	>
<channel>
	<title>
	Comments on: This is a stardard post with preview image	</title>
	<atom:link href="http://trust-medical.net/2016/06/13/etiam-laoreet-sem-eget-eros-rhoncus-5/feed/" rel="self" type="application/rss+xml" />
	<link>http://trust-medical.net/2016/06/13/etiam-laoreet-sem-eget-eros-rhoncus-5/</link>
	<description></description>
	<lastBuildDate>Mon, 13 Jun 2016 12:20:29 +0000</lastBuildDate>
	<sy:updatePeriod>
	hourly	</sy:updatePeriod>
	<sy:updateFrequency>
	1	</sy:updateFrequency>
	<generator>https://wordpress.org/?v=6.5.3</generator>
</channel>
</rss>