Set MaterialDesignDarkBackground

Author: edongashi

MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.Defaults.xaml

@@ -38,7 +38,7 @@
     </ResourceDictionary.MergedDictionaries>
     <SolidColorBrush x:Key="MaterialDesignLightBackground" Color="#FFFAFAFA"/>
     <SolidColorBrush x:Key="MaterialDesignLightForeground" Color="#DD000000"/>
-    <SolidColorBrush x:Key="MaterialDesignDarkBackground" Color="#FF37474f"/>
+    <SolidColorBrush x:Key="MaterialDesignDarkBackground" Color="#FF303030"/>
     <SolidColorBrush x:Key="MaterialDesignDarkForeground" Color="#FFFAFAFA"/>
     <SolidColorBrush x:Key="MaterialDesignDarkSeparatorBackground" Color="#1F000000" />
     <SolidColorBrush x:Key="MaterialDesignLightSeparatorBackground" Color="#1FFFFFFF" />