MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="NavPageDemo.MainPage">

    <ScrollView>
        <VerticalStackLayout
            Padding="30,0"
            Spacing="25">

            <Label
                Text="NavigationPage Demo!" FontFamily="OpenSans_Semibold"
                SemanticProperties.HeadingLevel="Level1"
                FontSize="32" HorizontalTextAlignment="Center"
                HorizontalOptions="Center" FontAttributes="Bold"/>

            <Label
    Text="Another .NET MAUI Lesson by Balram Patel" 
                FontFamily="OpenSans_Semibold"
    SemanticProperties.HeadingLevel="Level2"
                SemanticProperties.Description="Another .NET MAUI Lesson by Balram Patel"
    FontSize="14" HorizontalTextAlignment="Center"
    HorizontalOptions="Center"/>

            <Button
                x:Name="btnGoRed" BackgroundColor="PaleVioletRed"
                Text="Go to Red Page" 
                SemanticProperties.Hint="Navigation To The Red Page"
                Clicked="GoRed"
                HorizontalOptions="Center" />

            <Button
    x:Name="btnGoGreen" BackgroundColor="LightGreen"
    Text="Go to Green Page" 
    SemanticProperties.Hint="Navigation To The Green Page"
    Clicked="GoGreen"
    HorizontalOptions="Center" />

            <Button
    x:Name="btnGoBlue" BackgroundColor="LightSkyBlue"
    Text="Go to Blue Page" 
    SemanticProperties.Hint="Navigation To The Blue Page"
    Clicked="GoBlue"
    HorizontalOptions="Center" />
        </VerticalStackLayout>
    </ScrollView>

</ContentPage>