How to add custom CSS for Content Views (free) version?

Sometimes, you want to add custom CSS for Content Views output.
With Pro version, there is a Custom CSS field in Content Views >> Settings page where you can add custom CSS easily.

With Free version, you can use one of below ways to add custom CSS:

• add custom CSS to Appearance > Customize > Additional CSS, if your theme has Customize feature
• create and activate child theme, then add custom CSS to file style.css of your child theme
• install another plugin to add custom CSS
• add this code to file functions.php of your active theme:

  // Content Views - add custom CSS
  add_action( 'wp_head', 'cv_theme_custom_style' );
  function cv_theme_custom_style() {
  	?>
  	<style>
  	// ADD YOUR CUSTOM CSS HERE
  	</style>
  	<?php
  }
  

Best regards,