On a computer, text boxes and menus are 36px tall and most buttons 32px. Text in fields and buttons, and the labels above fields, is 15px; button labels were 12px. Buttons have a thinner edge.
On phones and touch screens, fields and buttons stay 44px tall with 16px text in fields. Most buttons on phones were 36px tall; they are now 44px, as on other touch screens.