Exam01/WpfApp1/MainWindow.xaml

<Window x:Class="WpfApp1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp1"
        mc:Ignorable="d"
        Title="Books" Height="450" Width="800">
    <Window.Resources>
        <Style x:Key="title" TargetType="TextBlock">
            <Setter Property="FontFamily" Value="Harlow Solid Italic"></Setter>
            <Setter Property="FontSize" Value="35"/>
            <Setter Property="Foreground" Value="#bd6262"/>
        </Style>
    </Window.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="47*"/>
            <RowDefinition Height="372*"/>
        </Grid.RowDefinitions>
        <TextBlock Text="Books" Grid.Row="0" VerticalAlignment="Center" HorizontalAlignment="Center" Style="{StaticResource title}"></TextBlock>
        <Frame Grid.Row="1" Name="MainFrame" NavigationUIVisibility="Hidden"></Frame>
    </Grid>
</Window>