#wpadminbar{position:fixed!important;top:0;left:0;right:0;z-index:100000!important}body.admin-bar{margin-top:32px!important}@media (max-width:782px){body.admin-bar{margin-top:46px!important}}<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function wp_optimize_minify_config() in /var/www/vhosts/k110.gr/test.k110.eu/wp-content/plugins/wp-optimize-premium/includes/class-wpo-page-optimizer.php:61
Stack trace:
#0 /var/www/vhosts/k110.gr/test.k110.eu/wp-content/plugins/wp-optimize-premium/includes/class-wpo-page-optimizer.php(26): WPO_Page_Optimizer-&gt;maybe_remove_unused_css()
#1 [internal function]: WPO_Page_Optimizer-&gt;optimize()
#2 /var/www/vhosts/k110.gr/test.k110.eu/wp-includes/functions.php(5481): ob_end_flush()
#3 /var/www/vhosts/k110.gr/test.k110.eu/wp-includes/class-wp-hook.php(341): wp_ob_end_flush_all()
#4 /var/www/vhosts/k110.gr/test.k110.eu/wp-includes/class-wp-hook.php(365): WP_Hook-&gt;apply_filters()
#5 /var/www/vhosts/k110.gr/test.k110.eu/wp-includes/plugin.php(522): WP_Hook-&gt;do_action()
#6 /var/www/vhosts/k110.gr/test.k110.eu/wp-includes/load.php(1308): do_action()
#7 [internal function]: shutdown_action_hook()
#8 {main}
  thrown in <b>/var/www/vhosts/k110.gr/test.k110.eu/wp-content/plugins/wp-optimize-premium/includes/class-wpo-page-optimizer.php</b> on line <b>61</b><br />