Artemis/src/Artemis.UI/Screens/Modules/ModuleRootView.xaml

<UserControl x:Class="Artemis.UI.Screens.Modules.ModuleRootView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:s="https://github.com/canton7/Stylet"
             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
             mc:Ignorable="d"
             d:DesignHeight="450" d:DesignWidth="800"
             d:DataContext="{d:DesignInstance module:ModuleRootViewModel}">

    <TabControl Margin="0 -1 0 0"
                ItemsSource="{Binding Items}"
                SelectedItem="{Binding ActiveItem}"
                DisplayMemberPath="DisplayName"
                Style="{StaticResource MaterialDesignTabControl}">
        <TabControl.ContentTemplate>
            <DataTemplate>
                <materialDesign:TransitioningContent OpeningEffect="{materialDesign:TransitionEffect FadeIn}">
                    <ContentControl s:View.Model="{Binding}" TextElement.Foreground="{DynamicResource MaterialDesignBody}" />
                </materialDesign:TransitioningContent>
            </DataTemplate>
        </TabControl.ContentTemplate>
    </TabControl>
</UserControl>