[WPF]grid를 이용한 로그인화면

<Window x:Class="WpfApp5.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:WpfApp5"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="700">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*"/>
            <ColumnDefinition Width="1*"/>
            <ColumnDefinition Width="1*"/>
            <ColumnDefinition Width="1*"/>
        </Grid.ColumnDefinitions>
        <TextBlock Grid.Row="0" Grid.ColumnSpan="4" HorizontalAlignment="Center" Margin="0" TextWrapping="Wrap" Text="로그인" VerticalAlignment="Center" FontSize="40" FontWeight="Black"/>
        <TextBlock Grid.Row="1" Grid.Column="1" HorizontalAlignment="Center" Margin="0" TextWrapping="Wrap" Text="아이디" VerticalAlignment="Center" FontSize="40" FontWeight="Black"/>
        <TextBlock Grid.Row="2" Grid.Column="1" HorizontalAlignment="Center" TextWrapping="Wrap" Text="비밀번호" VerticalAlignment="Center" FontSize="40" FontWeight="Black"/>
        <TextBox Grid.Row="1" Grid.Column="2" Grid.ColumnSpan="2"  HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="40" FontWeight="Black" Width="250" Height="50"/>
        <TextBox Grid.Row="2" Grid.Column="2" Grid.ColumnSpan="2"  HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="40" FontWeight="Black" Width="250" Height="50"/>
        <Button Grid.Column="1" Grid.Row="3" Grid.ColumnSpan="3" FontSize="40" FontWeight="Black" Margin="0,0,40,0" Width="470" Height="60" HorizontalAlignment="Center" VerticalAlignment="Center">확인</Button>
        <Image Margin="10,0,10,0" Grid.Column="0" Grid.Row="1" Grid.RowSpan="2" Height="130" Source="hand-man-person-black-and-white-alone-male-1143377-pxhere.com.jpg"/>
    </Grid>
</Window>