MainWindow.xaml

<Window x:Class="MyClock.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:MyClock"
        mc:Ignorable="d" d:DesignWidth="600" d:DesignHeight="400"
        Title="MainWindow" ResizeMode="NoResize" WindowState="Maximized" WindowStyle="None"
		ShowInTaskbar="False"
        AllowsTransparency="True" Background="Transparent" Topmost="True">
    <!-- Window.Resources removed for transparency -->
    <Grid Background="Transparent">
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Bottom" Background="Transparent">
			<TextBlock Text=" " HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="{Binding FontSize}"  FontWeight="Bold" Foreground="White"/>
			<TextBlock Text="{Binding Hour}" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="{Binding FontSize}" FontWeight="Bold" Foreground="{Binding Foreground}"/>
			<TextBlock Text=":" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="{Binding FontSize}"  FontWeight="Bold" Foreground="{Binding Foreground}"/>
			<TextBlock Text="{Binding Minute}" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="{Binding FontSize}" FontWeight="Bold" Foreground="{Binding Foreground}"/>
			<TextBlock Text=":" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="{Binding FontSize}" FontWeight="Bold" Foreground="{Binding Foreground}"/>
			<TextBlock Text="{Binding Second}" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="{Binding FontSize}" FontWeight="Bold" Foreground="{Binding Foreground}"/>
			<TextBlock Text=" " HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="{Binding FontSize}"  FontWeight="Bold" Foreground="White"/>
			<ItemsControl ItemsSource="{Binding ProcessItems, Mode=TwoWay}" Height="35">
				<ItemsControl.ItemsPanel>
					<ItemsPanelTemplate>
						<WrapPanel Orientation="Vertical"/>
					</ItemsPanelTemplate>
				</ItemsControl.ItemsPanel>
				<ItemsControl.ItemTemplate>
					<DataTemplate DataType="{x:Type local:ProcessItem}">
						<Rectangle Width="{Binding Width}" Height="{Binding Height}" StrokeThickness="{Binding StrokeThickness}" Margin="1 1 0 0">
							<Rectangle.Style>
								<Style TargetType="Rectangle">
									<Setter Property="Fill" Value="{Binding HollowFill}"/>
									<Setter Property="Stroke" Value="{Binding HollowStroke}"/>
									<Style.Triggers>
										<DataTrigger Binding="{Binding IsSolid}" Value="2">
											<Setter Property="Fill" Value="{Binding SolidFill}"/>
											<Setter Property="Stroke" Value="{Binding SolidStroke}"/>
										</DataTrigger>
										<DataTrigger Binding="{Binding IsSolid}" Value="3">
											<Setter Property="Fill" Value="{Binding SolidBiddingFill}"/>
											<Setter Property="Stroke" Value="{Binding SolidBiddingStroke}"/>
										</DataTrigger>
									</Style.Triggers>
								</Style>
							</Rectangle.Style>
						</Rectangle>
					</DataTemplate>
				</ItemsControl.ItemTemplate>
			</ItemsControl>
		</StackPanel>
    </Grid>
</Window>