RDK_Concert/PDK_Concert/App.xaml

<Application x:Class="PDK_Concert.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:PDK_Concert"
             StartupUri="MainWindow.xaml">
    <Application.Resources>
        <Style x:Key="Title" TargetType="TextBlock">
            <Setter Property="FontSize" Value="32"/>
            <Setter Property="Foreground" Value="White"/>
        </Style>
        
        <Style x:Key="List" TargetType="TextBlock">
            <Setter Property="FontSize" Value="20"/>
            <Setter Property="Foreground" Value="Black"/>
        </Style>

        <Style TargetType="GroupBox">
            <Setter Property="Margin" Value="20"/>
            <Setter Property="Padding" Value="3"/>
            <Setter Property="FontSize" Value="20"/>
            <Setter Property="Foreground" Value="White"/>
            <Setter Property="Width" Value="500"/>
        </Style>

        <Style TargetType="TextBox">
            <Setter Property="FontSize" Value="20"/>
            <Setter Property="Foreground" Value="Black"/>
        </Style>

        <Style TargetType="Button">
            <Setter Property="Width" Value="300"/>
            <Setter Property="FontWeight" Value="Bold"/>
            <Setter Property="Height" Value="40"/>
            <Setter Property="FontSize" Value="20"/>
            <Setter Property="Background" Value="White"/>
            <Setter Property="Margin" Value="25"/>
        </Style>

        <Style x:Key="Menu" TargetType="TextBlock">
            <Setter Property="FontSize" Value="20"/>
            <Setter Property="Foreground" Value="White"/>
            <Setter Property="FontWeight" Value="Bold"/>
        </Style>
    </Application.Resources>
</Application>