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TSChMI/MainWindow.xaml

@@ -8,13 +8,14 @@
         Title="Барышев Дмитрий ПИбд-23" MinHeight="400" MinWidth="600" MaxHeight="400" MaxWidth="600">
 
     <Window.Resources>
+
         <SolidColorBrush x:Key="BorderColor" Color="#7F00FF"/>
 
         <Style TargetType="Button">
             <Setter Property="Template">
                 <Setter.Value>
                     <ControlTemplate TargetType="Button">
-                        <Border BorderBrush="{DynamicResource {x:Static SystemColors.MenuBarBrushKey}}" BorderThickness="2" CornerRadius="5">
+                        <Border BorderBrush="{StaticResource BorderColor}" BorderThickness="2" CornerRadius="5">
                             <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
                         </Border>
                     </ControlTemplate>