krolewskie-miody.pl/wp-content/themes/betheme/visual-builder/partials/sidebar-themeoptions.php

<?php  
if( ! defined( 'ABSPATH' ) ){
    exit; // Exit if accessed directly
}

echo '<div class="panel panel-view-themeoptions" style="display: none;">
<div class="mfn-form mfn-form-themeoptions"></div></div>';