Enable Pinch to Zoom on Mobile Devices

function remove_my_action() {

  remove_action('wp_head', 'et_add_viewport_meta');

}

function dt_et_add_viewport_meta(){

  echo '<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0, user-scalable=1, viewport-fit=cover" />';

}

add_action( 'init', 'remove_my_action');

add_action( 'wp_head', 'dt_et_add_viewport_meta' );