public function resetCustomStyle()
    {
        $db = Loader::db();
        $c = $this->getBlockCollectionObject();
        $cvID = $c->getVersionID();
        $db->Execute(
            'delete from CollectionVersionBlockStyles where cID = ? and cvID = ? and arHandle = ? and bID = ?',
            [
                $this->getBlockCollectionID(),
                $cvID,
                $this->getAreaHandle(),
                $this->getBlockID(),
            ]
        );
        $this->issID = 0;
    }