The SDKs for the various XAML-based UI frameworks include a
generic.xaml file that contains, among other things, the XAML for
Styles defined by the framework. For Windows Store apps, you can locate it in
%ProgramFiles(x86)%\Windows Kits\8.1\Include\WinRT\Xaml\Design\generic.xaml. This file contains many good examples, including some hidden gems you might want to use or tweak for your apps.
BaseTextBlockStyle sets several properties to make a
TextBlock match the typical style of labels in Windows Store apps (and remove those pesky side bearings, explained in Chapter 12, “Text”):
<Style x:Key="BaseTextBlockStyle" TargetType="TextBlock"> <Setter Property="FontSize" ...