MainWindow.xaml

<Window x:Name="GeneralWindow" x:Class="MinecraftUpdater.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:MinecraftUpdater"
        mc:Ignorable="d"
        Title="Lost Lands - Сервер minecraft на краю света" Height="480" Width="854" ResizeMode="CanMinimize" Icon="icon.ico">
    <Window.Background>
        <ImageBrush ImageSource="bg.png" Stretch="UniformToFill"/>
    </Window.Background>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"/>
            <RowDefinition/>
            <RowDefinition Height="15"/>
            <RowDefinition Height="80"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>
        <Rectangle Fill="#25000000" Grid.Row="0" Grid.Column="0"/>
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition/>
                <ColumnDefinition Width="auto"/>
                <ColumnDefinition Width="auto"/>
                <ColumnDefinition Width="auto"/>
                <ColumnDefinition Width="auto"/>
            </Grid.ColumnDefinitions>
            <Image Source="logo.png" Height="40" HorizontalAlignment="Left" Margin="10 0"/>
            <Button x:Name="NewsPageButton" Content="НОВОСТИ" Padding="10 0" Height="40" Grid.Column="2" Background="#f8f9fa" FontSize="14" FontWeight="DemiBold" Margin="0 5 10 5" Click="NewsPageButton_Click"/>
            <Button x:Name="AddonsPageButton" Content="АДДОНЫ" Padding="10 0" Height="40" Grid.Column="3" Background="#f8f9fa" FontSize="14" FontWeight="DemiBold" Margin="0 5 10 5" Click="AddonsPageButton_Click"/>
            <Button x:Name="SettingsPageButton" Content="НАСТРОЙКИ" Padding="10 0" Height="40" Grid.Column="4" Background="#f8f9fa" FontSize="14" FontWeight="DemiBold" Margin="0 5 10 5" Click="SettingsPageButton_Click"/>
        </Grid>

        <Frame x:Name="ContentFrame" Grid.Row="1" Background="#33FFFFFF" NavigationUIVisibility="Hidden" Padding="5 3"/>
        <ProgressBar x:Name="UpdateProgressBar" Grid.Row="2" Background="#19000000" Foreground="#FFFFC107"/>

        <Rectangle Fill="#25000000" Grid.Row="3" Grid.Column="0"/>
        <Grid Grid.Row="3">
            <Grid.ColumnDefinitions>
                <ColumnDefinition/>
                <ColumnDefinition/>
                <ColumnDefinition Width="50"/>
                <ColumnDefinition Width="auto"/>
                <ColumnDefinition Width="auto"/>
            </Grid.ColumnDefinitions>

            <Label Content="Логин" Grid.Column="0" Margin="5 0" Foreground="#fafafa"/>
            <TextBox x:Name="LoginTextBox" Height="35" Grid.Column="0" Margin="10 0 0 0" FontSize="18" VerticalContentAlignment="Center" Text="" TextChanged="LoginTextBox_TextChanged"/>

            <Label Content="Пароль" Grid.Column="1" Margin="5 0" Foreground="#fafafa"/>
            <Label x:Name="PasswordHelpLink" Content="(?)" Width="25" Height="25" Grid.Column="1" Margin="48 0" Foreground="#fafafa" Cursor="Hand" MouseDown="PasswordHelpLink_MouseDown" VerticalAlignment="Top" HorizontalAlignment="Left"/>
            <PasswordBox x:Name="PasswordTextBox" Height="35" Grid.Column="1" Margin="10 0 0 0" FontSize="18" VerticalContentAlignment="Center" Password="" PasswordChanged="PasswordTextBox_PasswordChanged"/>

            <Button x:Name="UpdateButton" Content="ОБНОВИТЬ" Padding="40 0" Height="50" Grid.Column="3" Background="#f8f9fa" FontSize="18" FontWeight="DemiBold" Margin="0 0 10 0" IsEnabled="False" Click="UpdateButton_Click"/>
            <Button x:Name="PlayButton" Content="ИГРАТЬ" Width="150" Height="50" Grid.Column="4" Background="#ffc107" FontSize="24" FontWeight="Bold" Margin="0 0 10 0" IsEnabled="False" Click="PlayButton_Click"/>
        </Grid>
    </Grid>
</Window>