look and feel       
noun [ S ]  computing, internet & telecoms specialized uk/ˌlʊk ən ˈfiːl/ us/ˌlʊk ən ˈfiːl/
 (通常指软件或网站)外观和感觉
the way that something, typically software or a website, appears to a user or customer, and how attractive or easy to use it is
  We can help you to customize the look and feel of the interface for your particular business. 我们可以帮你定制符合你商业活动的外观和感觉。