Each component is defined by it’s required elements (such as title, text, icon and picture), and may sometimes contain optional elements. These elements are both defined in the Sketch document as well as in code. Instead of allowing divider lines themselves, we require each component to have a divider, which is then visible or hidden based on on the view logic.
We started by auditing and printing out many of our designs, both old and new. Laying the flows side by side on a board, we could see where and how the experiences were breaking and where we needed to start making changes. We figured that the best way to begin was by tackling issues head on. Each of us focused on a screen or product area to redesign, And we established a few principles to guide us with these individual designs:

Airbnb has experienced a lot of growth over the years. Currently our design department consists of nearly a dozen functions and outcome teams. It became clear that we needed more systematic ways to guide and leverage our collective efforts. While we recognized these challenges within the company, I believe they are symptoms of larger software industry problems.

get up and go, whether it’s across the state, the country, or the world, and we reward them every trip of the way. That means inspiring our customers to book, earn rewards and turn vacation days into actual vacation. It doesn’t hurt that we also have Orbitz Rewards, the only best-in-class loyalty program where customers can earn rewards immediately on flights, hotels and packages, and redeem instantly on tens of thousands of hotels worldwide.
Guests can search for lodging using filters such as lodging type, dates, location, and price. Before booking, users must provide personal and payment information. Some hosts also require a scan of a government-issued identification before accepting a reservation.[4] The company also provides travel guides, entitled "Neighborhoods", which provide details about staying in specific neighborhoods in various major cities.[5][6]