Commit/App.xaml

<Application x:Class="ПодготовкаКДемо1.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:ПодготовкаКДемо1"
             StartupUri="MainWindow.xaml">
    <Application.Resources>
        <Style x:Key="TextBlock" TargetType="TextBlock">
            <Setter Property="FontFamily" Value="Comic Sans MS"/>
            <Setter Property="Margin" Value="5"/>
        </Style>
        <Style x:Key="TextBox" TargetType="TextBox">
            <Setter Property="FontFamily" Value="Comic Sans MS"/>
            <Setter Property="Margin" Value="5"/>
        </Style>
        <Style x:Key="ComboBox" TargetType="ComboBox">
            <Setter Property="FontFamily" Value="Comic Sans MS"/>
            <Setter Property="Margin" Value="5"/>
        </Style>
        <Style x:Key="CheckBox" TargetType="CheckBox">
            <Setter Property="FontFamily" Value="Comic Sans MS"/>
            <Setter Property="Margin" Value="5"/>
        </Style>
        <Style x:Key="RadioButton" TargetType="RadioButton">
            <Setter Property="FontFamily" Value="Comic Sans MS"/>
            <Setter Property="Margin" Value="5"/>
        </Style>
        <Style x:Key="Button" TargetType="Button">
            <Setter Property="FontFamily" Value="Comic Sans MS"/>
            <Setter Property="Margin" Value="5"/>
            <Setter Property="Background" Value ="#445c93"/>
            <Setter Property="Foreground" Value ="#ffffff"/>
        </Style>
    </Application.Resources>
</Application>