NebulaLauncher/Nebula.Launcher/Views/MainWindow.axaml

<Window
    Background="{x:Null}"
    ExtendClientAreaChromeHints="NoChrome"
    ExtendClientAreaTitleBarHeightHint="-1"
    ExtendClientAreaToDecorationsHint="True"
    Height="550"
    Icon="/Assets/nebula.ico"
    MinHeight="550"
    MinWidth="800"
    SystemDecorations="BorderOnly"
    Title="Nebula.Launcher"
    TransparencyLevelHint="AcrylicBlur"
    Width="800"
    WindowStartupLocation="CenterScreen"
    d:DesignHeight="450"
    d:DesignWidth="800"
    mc:Ignorable="d"
    x:Class="Nebula.Launcher.Views.MainWindow"
    xmlns="https://github.com/avaloniaui"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Grid ColumnDefinitions="*" RowDefinitions="30,*">
        <Border
            Background="{StaticResource DefaultGrad}"
            BorderThickness="0,0,0,2"
            CornerRadius="0"
            Grid.Column="0"
            Grid.Row="0">
            <Border.BorderBrush>
                <LinearGradientBrush EndPoint="100%,50%" StartPoint="0%,50%">
                    <GradientStop Color="#222222" Offset="0.0" />
                    <GradientStop Color="#442222" Offset="1.0" />
                </LinearGradientBrush>
            </Border.BorderBrush>
            <Panel
                Background="{StaticResource DefaultGrad}"
                Height="30"
                PointerPressed="InputElement_OnPointerPressed">
                <TextBlock
                    FontSize="10"
                    Foreground="White"
                    IsVisible="False"
                    Margin="15,0"
                    Text="Nebula Launcher"
                    VerticalAlignment="Center" />
                <StackPanel
                    HorizontalAlignment="Right"
                    Margin="5,0,5,0"
                    Orientation="Horizontal"
                    Spacing="8">
                    <Button
                        Click="Minimize_Click"
                        Content="🗕"
                        Foreground="Azure" />
                    <Button
                        Click="Maximize_Click"
                        Content="🗗"
                        Foreground="Azure" />
                    <Button
                        Click="Close_Click"
                        Content="🗙"
                        Foreground="Azure" />
                </StackPanel>
            </Panel>
        </Border>
        <UserControl
            Grid.Column="0"
            Grid.Row="1"
            x:Name="Control" />
    </Grid>
</Window>