Project41P2023/MyWpfApp/MainWindow.xaml

<Window x:Class="MyWpfApp.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:MyWpfApp"
        mc:Ignorable="d"
        Title="НеMainWindow" Height="450" Width="800">
    <Window.Resources>
        <Style TargetType="TextBlock">
            <Setter Property="FontSize" Value="24"/>
        </Style>
    </Window.Resources>
    
    
    
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*"/>
            <ColumnDefinition Width="3*"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="80"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="40"/>
        </Grid.RowDefinitions>
        <TextBlock Text="Типа баннер" Grid.Column="0" Grid.Row="1"/>        
        <TextBlock Text="Типа заголовок" Grid.Column="0" Grid.Row="0" Grid.ColumnSpan="2" Style="{StaticResource Zagolovok}"/>
        <TextBlock Text="Типа футер" Grid.Column="0" Grid.Row="2" Grid.ColumnSpan="2" TextAlignment="Center"/>
        <Frame Name="FrmMain" Grid.Column="1" Grid.Row="1" NavigationUIVisibility="Hidden"/>
    </Grid>
</Window>