AboutPage.xaml

<Page
    x:Class="NameDay.AboutPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:NameDay"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <StackPanel>
            <TextBlock x:Name="appName" TextWrapping="Wrap" Text="NameDay" Height="69" FontSize="32" FontWeight="Bold" CharacterSpacing="1" HorizontalAlignment="Center" VerticalAlignment="Center"/>
            <TextBlock x:Name="textBlock" TextWrapping="Wrap" Text="This Is a nameday application for UWP" Height="126" FontSize="32" />
            <HyperlinkButton Content="Contact Me" HorizontalAlignment="Left" Height="106" Margin="10,0,0,0" Width="291" FontSize="32" />
        </StackPanel>
    </Grid>
</Page>