propel_add_cwv_code.php

function propel_add_cwv_code(){
	?>
  <script>
		window.addEventListener('load', function(){
			document.getElementsByTagName( 'html' )[0].classList.add('loaded');
		});
	</script>

	<style id="cwv-css">
		html body{
			font-family: "Rubik", Calibri, Arial, sans-serif;
		}
    html:not(.js-user-action) .js-ui-defer{ display: none!important }
		
	</style>
	<?php
}
add_action('wp_head','propel_add_cwv_code', 0);