css - How to hide the help button from the dashboard of wordpress? -


i new in wordpress , want hide button located on top right of dashboard in admin backend of wordpress. don't want use plugin or remove code. want include css display:none css file unable locate in .css file have add code. appreciated.

try this

 add_filter( 'contextual_help', 'mycontext_remove_help', 999, 3 );       function mycontext_remove_help($old_help, $screen_id, $screen){         $screen->remove_help_tabs();         return $old_help;     }

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