inabox/InABox.Avalonia/Theme/Classes/Button.axaml

<Styles xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <Style Selector="Button.Standard">
        <Setter Property="HorizontalAlignment" Value="Stretch" />
        <Setter Property="VerticalAlignment" Value="Stretch" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Padding" Value="10" />
        <Setter Property="Margin" Value="{DynamicResource PrsControlSpacing}" />
        <Setter Property="BorderBrush" Value="{DynamicResource PrsButtonBorder}" />
        <Setter Property="BorderThickness">
            <Setter.Value>
                <DynamicResource ResourceKey="PrsBorderThickness" />
            </Setter.Value>
        </Setter>
        <Setter Property="Background" Value="{DynamicResource PrsButtonBackground}" />
        <Setter Property="Foreground" Value="{DynamicResource PrsButtonForeground}" />
        <Setter Property="CornerRadius" Value="{DynamicResource PrsCornerRadius}" />
    </Style>

    <!-- Disable Hover Effects on Buttons -->
    <Style Selector="Button.Standard:pointerover /template/ ContentPresenter#PART_ContentPresenter">
        <Setter Property="BorderBrush" Value="{Binding $parent[Button].BorderBrush}" />
        <Setter Property="BorderThickness" Value="{Binding $parent[Button].BorderThickness}" />
        <Setter Property="Background" Value="{Binding $parent[Button].Background}" />
        <Setter Property="Foreground" Value="{Binding $parent[Button].Foreground}" />
    </Style>
    <Style Selector="Button.NoHover:pointerover /template/ ContentPresenter#PART_ContentPresenter">
        <Setter Property="BorderBrush" Value="{Binding $parent[Button].BorderBrush}" />
        <Setter Property="BorderThickness" Value="{Binding $parent[Button].BorderThickness}" />
        <Setter Property="Background" Value="{Binding $parent[Button].Background}" />
        <Setter Property="Foreground" Value="{Binding $parent[Button].Foreground}" />
    </Style>

    <Style Selector="Button.Transparent">
        <Setter Property="HorizontalAlignment" Value="Stretch" />
        <Setter Property="VerticalAlignment" Value="Stretch" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
        <Setter Property="Margin" Value="{DynamicResource PrsControlSpacing}" />
        <Setter Property="Padding" Value="{DynamicResource PrsControlSpacing}" />
        <Setter Property="BorderBrush" Value="Transparent" />
        <Setter Property="BorderThickness" Value="0" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="Foreground" Value="Transparent" />
    </Style>

</Styles>