sharee.bike-App/LastenradBayern/ShareeBike/View/WhatsNew/Gtc/GtcPage.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="ShareeBike.View.WhatsNew.Gtc.GtcPage">
    <ContentPage.Content>
        <Frame>
           <StackLayout>
                <WebView 
                    HeightRequest="1000"
                    WidthRequest="500"
                    Source="{Binding GtcHtml}"/>
                <Button 
                            Text="OK"
                            WidthRequest="100"
                            Command="{Binding OnOk}"
                            Margin="0,0,0,3"/>
            </StackLayout>
        </Frame>

    </ContentPage.Content>
</ContentPage>