Styles.axaml

<Styles xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Design.PreviewWith>
        <Border Padding="20">
            <!--  Add Controls for Previewer Here  -->
        </Border>
    </Design.PreviewWith>

    <!--  Button styles  -->
    <Style Selector="Button">
        <Setter Property="Background" Value="#dc98a4" />
        <Setter Property="Cursor" Value="Hand" />
    </Style>
    <Style Selector="Button:pointerover /template/ ContentPresenter">
        <Setter Property="Background" Value="#AD6874" />
    </Style>
    <Style Selector="Button:disabled /template/ ContentPresenter">
        <Setter Property="Background" Value="#816066" />
    </Style>
    <Style Selector="Button:pressed /template/ ContentPresenter">
        <Setter Property="Background" Value="#924956" />
    </Style>

    <!--  TextBox styles  -->
    <Style Selector="TextBox">
        <Setter Property="IsUndoEnabled" Value="True" />
        <Setter Property="BorderBrush" Value="#dc98a4" />
        <Setter Property="MaxHeight" Value="0" />
        <Setter Property="Margin" Value="6" />
    </Style>

    <!--  CheckBox Styles  -->
    <Style Selector="CheckBox">
        <Setter Property="Cursor" Value="Hand" />
    </Style>
    <Style Selector="CheckBox /template/ Border#NormalRectangle">
        <Setter Property="BorderBrush" Value="#dc98a4" />
    </Style>
    <Style Selector="CheckBox:pointerover /template/ Border#NormalRectangle">
        <Setter Property="BorderBrush" Value="#AD6874" />
    </Style>

</Styles>