How do I adjust the left margin for prototype cells in a UITableView?

Question

If I create a UITableViewController, for example via File → New Project... → iOS → Master-Detail Application in Xcode, a UITableView

Answer 1

Go to Main.storyboard > select the UITableViewCell > Attributes Inspector. Change Separator dropdown list from Default Insets to Custom Insets. Change the left inset from 15 to 0