<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:sys="clr-namespace:System;assembly=mscorlib">
    <FontFamily x:Key="ButtonFontFamily">Times New Roman</FontFamily>
    <sys:Double x:Key="ButtonFontSize"></sys:Double>
    <FontWeight x:Key="ButtonFontWeight">Bold</FontWeight>

    <Style x:Key="BigFontButtonStyle">
        <Setter Property="Control.FontFamily" Value="Times New Roman"></Setter>
        <Setter Property="Control.FontSize" Value="18"></Setter>
        <Setter Property="Control.FontWeight" Value="Bold"></Setter>
    </Style>
</ResourceDictionary>