Nebula-Auth/NebulaAuth/App.xaml

<Application x:Class="NebulaAuth.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:NebulaAuth"
             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
             xmlns:theme="clr-namespace:NebulaAuth.Theme"
             xmlns:converters="clr-namespace:NebulaAuth.Converters"
             xmlns:system="clr-namespace:System;assembly=System.Runtime"
             xmlns:background="clr-namespace:NebulaAuth.Converters.Background"
             StartupUri="MainWindow.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <SolidColorBrush x:Key="MaterialDesignPaper">#1E2025</SolidColorBrush>
            <FontFamily x:Key="Roboto">pack://application:,,,/Fonts/Roboto/#Roboto</FontFamily>
            <FontFamily x:Key="RobotoSymbols">pack://application:,,,/Fonts/Roboto/#Roboto Symbols</FontFamily>
            <converters:CoefficientConverter x:Key="CoefficientConverter"/>
            <converters:ReverseBooleanConverter x:Key="ReverseBooleanConverter"/>
            <converters:OnOffBoolTextConverter x:Key="OnOffBoolTextConverter"/>
            <converters:SelectedProxyTextConverter x:Key="SelectedProxyTextConverter"/>
            <converters:ProxyTextConverter x:Key="ProxyTextConverter"/>
            <converters:MultiCommandParameterConverter x:Key="MultiCommandParameterConverter"/>
            <converters:ColorToBrushConverter x:Key="ColorToBrushConverter"/>
            <!-- Background converters-->
            <background:BackgroundImageVisibleConverter x:Key="BackgroundImageVisibleConverter"/>
            <background:BackgroundSourceConverter x:Key="BackgroundSourceConverter"/>

            <system:Boolean x:Key="True">True</system:Boolean>
            <system:Boolean x:Key="False">False</system:Boolean>

            
            <ResourceDictionary.MergedDictionaries>
                
              
                <materialDesign:BundledTheme BaseTheme="Dark"  PrimaryColor="LightGreen" SecondaryColor="Purple" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignExtensions;component/Themes/Generic.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/materialdesigntheme.snackbar.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/materialdesigntheme.Dark.xaml" />
                <!-- Theme-->
                <ResourceDictionary Source="Theme/Brushes.xaml"/>
                <ResourceDictionary Source="Theme/WindowStyle/WindowStyle.xaml"/>

                <!--Controls-->
                <ResourceDictionary Source="View/ConfirmationTemplates.xaml"/>
            </ResourceDictionary.MergedDictionaries>

        </ResourceDictionary>

    </Application.Resources>
</Application>