ABC/PageMain.xaml

<Page x:Class="WpfAppHotel.PageMain"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      xmlns:local="clr-namespace:WpfAppHotel"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      Title="PageMain"
      Style="{StaticResource pgStyle}">
    <Grid>

        <StackPanel Grid.Row="0" Orientation="Vertical" Margin="10">
            <TextBlock HorizontalAlignment="Center" FontSize="32" >Путешествуй по России</TextBlock>
            <StackPanel Orientation="Vertical">
                <Button x:Name="btnHotel" Template="{StaticResource btnStyle}" Content="Отели"  Margin="10" Click="btnHotel_Click"/>
                <Button x:Name="btnTour" Template="{StaticResource btnStyle}" Content="Туры"  Margin="10" Click="btnTour_Click"/>
            </StackPanel>
        </StackPanel>

    </Grid>
</Page>