<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <SolidColorBrush x:Key="FlyoutBackground" Color="#35363C" />
    <SolidColorBrush x:Key="FlyoutForeground" Color="#F9F9F9" />
    <SolidColorBrush x:Key="FlyoutBorderBrush" Opacity="0.08" Color="#F9F9F9" />
    <BoxShadows x:Key="FlyoutBorderBoxShadow">0 0 8 0 #1AFFFFFF</BoxShadows>
</ResourceDictionary>