From Sketch Design to iOS 12 App with Swift 4 and Xcode 10 : An App Design in the Making
У вашего броузера проблема в совместимости с HTML5
http://ytwizard.com/r/4PfgVv
http://ytwizard.com/r/4PfgVv
From Sketch Design to iOS 12 App with Swift 4 and Xcode 10
Master Creating Custom User Interfaces for Your Apps: Design a Cool iOS 12 App and Build it From Start to Finish