Sneaker3/SneakersSkakunov/RedactAuth.xaml

<Window x:Class="SneakersSkakunov.RedactAuth"
        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:SneakersSkakunov"
        mc:Ignorable="d"
        Title="RedactAuth" Height="450" Width="800">
    <Grid>
        <StackPanel Width="250" VerticalAlignment="Center">
            <TextBlock  Margin="10,10,0,0" Foreground="#292929" >Логин</TextBlock>
            <TextBox  BorderThickness="2" Height="25" BorderBrush="#292929" Background="#f5f5f5" Name="lg"></TextBox>

            <TextBlock  Margin="10,10,0,0" Foreground="#292929" >Пароль</TextBlock>
            <TextBox  BorderThickness="2" Height="25" BorderBrush="#292929" Background="#f5f5f5" Name="pss"></TextBox>

            <Border BorderThickness="2" CornerRadius="5" BorderBrush="#292929" Background="White" Height="30" Margin="0,15,0,0">
                <Button Background="#0000" BorderBrush="#0000" Foreground="#292929" FontSize="14" Click="FixChange">Изменить логин и пароль</Button>
            </Border>
            <Border BorderThickness="2" CornerRadius="5" BorderBrush="#292929" Background="White" Width="250" Height="30" Margin="0,5,0,0">
                <Button Background="#0000" BorderBrush="#0000" Foreground="#292929" Click="Back">Вернуться</Button>
            </Border>
        </StackPanel>
    </Grid>
</Window>