Cafe/Cafe2/AuthorizationWindow.xaml

<Window x:Class="Cafe.AuthorizationWindow"
        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:Cafe"
        mc:Ignorable="d"
        Title="Авторизация" Height="900" Width="1600" WindowStartupLocation="CenterScreen" ResizeMode="CanMinimize">
    <Grid>
        <Label Name="LoginLab"  Content="Логин:" VerticalAlignment="Top" HorizontalAlignment="Left" Margin="388,329,0,0" Foreground="White" Height="60" Width="180" FontSize="36"/>
        <TextBox Name="Login" VerticalAlignment="Top" HorizontalAlignment="Left" Margin="567,329,0,0" Height="60" Width="550" Background="White" FontSize="36"/>
        <Label Content="Пароль:" VerticalAlignment="Top" HorizontalAlignment="Left" Foreground="White" Margin="388,411,0,0" Height="60" Width="180" FontSize="36"/>
        <PasswordBox Name="Password" VerticalAlignment="Top" HorizontalAlignment="Left" Height="60" Width="550" Margin="567,411,0,0" FontSize="36"/>
        <Button Name="AuthorizeButton" Content="Войти" VerticalAlignment="Top" HorizontalAlignment="Center" Height="60" Width="360" Margin="0,746,0,0" Click="AuthorizationClick" FontSize="36"/>
    </Grid>
</Window>