<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="../Brushes/DefaultColorTheme.xaml"/>
        <ResourceDictionary Source="FocusVisualStyle.xaml"></ResourceDictionary>
    </ResourceDictionary.MergedDictionaries>
    
    <Style TargetType="{x:Type TextBox}" x:Key="TextBoxNormal">
        <Setter Property="FontFamily" Value="Arial"/>
        <Setter Property="FontSize" Value="18"/>
        <Setter Property="FocusVisualStyle" Value="{StaticResource FocusVisual}" />
    </Style>
    
</ResourceDictionary>
                    
