Go to admin section of the site and click Theme settings then Switch theme at https://npub.pro/admin/naddr1qqghgetrdp482mntd9jn5dmyvv6xyvszyzndn7npgtegprljlr79v7vk49pgq52np7w73qqu2kdkj8g2h5g7wqcyqqq8wvq076je5/dashboard