video1.0<iframe src="https://www.loom.com/embed/c27c09f092734c78b191a95a1bc8cfb6" frameborder="0" width="1080" height="810" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>8101080Loomhttps://www.loom.com8101080https://cdn.loom.com/sessions/thumbnails/c27c09f092734c78b191a95a1bc8cfb6-00001.gif229How to look up classes.