Fatal error: Uncaught Error: Call to undefined function do_action() in /var/www/vhosts/schooloflife.nl/httpdocs/wp-content/themes/hazel/css/style_dynamic_responsive.php:3
Stack trace:
#0 {main}
  thrown in /var/www/vhosts/schooloflife.nl/httpdocs/wp-content/themes/hazel/css/style_dynamic_responsive.php on line 3