AlignmentPage.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" 
             x:Class="Flexibility.Shared.AlignmentPage">
    <ContentPage.Resources>
        <StyleSheet Source="Styles/AlignmentPage.css"/>
    </ContentPage.Resources>
    <ContentPage.Content>
        <StackLayout>
            <Label StyleClass="header" Text="Align"/>
             <FlexLayout Direction="Column">
                <Label Text="FlexStart" FlexLayout.AlignSelf="Start"/>
                <Label Text="FlexCenter" FlexLayout.AlignSelf="Center"/>
                <Label Text="FlexEnd" FlexLayout.AlignSelf="End"/>
            </FlexLayout>

            <Label StyleClass="header" Text="Justify Content"/>
            <FlexLayout Direction="Row"
                        JustifyContent="SpaceAround">
                <BoxView Color="Red" WidthRequest="40" HeightRequest="40" />
                <BoxView Color="Blue" WidthRequest="40" HeightRequest="40"/>
                <BoxView Color="Purple" WidthRequest="40" HeightRequest="40" />
            </FlexLayout>

            

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