<Grid>
        <Button
            x:Name="button"
            Grid.Column="1"
            Width="75"
            Height="75"
            Margin="0,10,0,0"
            HorizontalAlignment="Left"
            VerticalAlignment="Top"
            BorderBrush="{x:Null}"
            BorderThickness="0"
            ClickMode="Press"
            Content=""
            Foreground="{x:Null}"
            UseLayoutRounding="True">
            <Button.Style>
                <Style TargetType="{x:Type Button}">
                    <Setter Property="Template">
                        <Setter.Value>
                            <ControlTemplate TargetType="Button">
                                <Border
                                    x:Name="border"
                                    BorderThickness="3"
                                    CornerRadius="5"
                                    TextBlock.Foreground="White">
                                    <Grid>
                                        <Image
                                            x:Name="buttonImage"
                                            Source="icon/github-logo.png"
                                            Stretch="UniformToFill" />
                                        <ContentPresenter
                                            Margin="{TemplateBinding Padding}"
                                            HorizontalAlignment="Center"
                                            VerticalAlignment="Center" />
                                    </Grid>
                                </Border>
                                <ControlTemplate.Triggers>
                                    <Trigger Property="IsMouseOver" Value="true">
                                        <Setter TargetName="buttonImage" Property="Source" Value="icon/github.png" />
                                    </Trigger>
                                </ControlTemplate.Triggers>
                            </ControlTemplate>
                        </Setter.Value>
                    </Setter>
                </Style>
            </Button.Style>
        </Button>


    </Grid>
</Window>