Remove public CSS in MailPoet on child sites.
Snippet Type
Execute on Child Sites
Snippet
add_filter('print_styles_array', 'custom_print_styles_array');
function custom_print_styles_array($styles){
$styles_to_remove = array('mailpoet_public');
if(is_array($styles) && count($styles) > 0){
foreach($styles as $key => $code){
if(in_array($code, $styles_to_remove)){
unset($styles[$key]);
}
}
}
return $styles;
}