MainPage.Xaml

<?xml version="1.0" encoding="UTF-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:xct="http://xamarin.com/schemas/2020/toolkit"
             x:Class="XamarinApp.LoginPage">
    <ContentPage.Resources>
    </ContentPage.Resources>
    <ContentPage.Content>
        
        <StackLayout HorizontalOptions="Fill"  Margin="50,100" VerticalOptions="Start">
            <Label Text="Style Inheritance" FontSize="Large"/>
            <Button Style="{StaticResource RedButtonStyle}" Text="Red Button"/>
            <Button Style="{StaticResource GreenButtonStyle}" Text="Green Button"/>

        </StackLayout>
    </ContentPage.Content>
</ContentPage>