register_sidebar( array(
'name' => __( 'Main Widget Area', 'predator' ),
'id' => 'sidebar-1',
'description' => __( 'Appears in the footer section of the site.', 'predator' ),
'before_widget' => '<div class="col-md-3"><div id="%1$s" class="footer-widget %2$s">',
'after_widget' => '</div></div>',
'before_title' => '<h4>',
'after_title' => '<span class="head-line"></span></h4>',
) );
before_widget how to add 2 div? now combine all div in one div.
Or another way like sidebar first widget before add col-md-6 and others col-md-3