Buổi 2: Design User interface

https://www.figma.com/proto/bdeo4YCsMebe9Mpp1gNA1C/Bu%E1%BB%95i-2–User-Flow—Wireframe?page-id=2%3A0&node-id=812-531&viewport=295%2C48%2C0.1&scaling=contain&starting-point-node-id=809%3A972