Resources/XAML/ResourceDictionaries/Image.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Style x:Key="Image_Style"
           TargetType="Image">
        <Setter Property="HorizontalAlignment"
                Value="Left" />
        <Setter Property="VerticalAlignment"
                Value="Center" />
        <Setter Property="Stretch"
                Value="Uniform" />
        <Setter Property="Height"
                Value="45" />
        <Setter Property="Width"
                Value="45" />
        <Setter Property="Margin"
                Value="30,0,0,0" />
    </Style>
</ResourceDictionary>