MainPage.xaml

<Page
    x:Class="PostPad.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:PostPad"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">

    <Grid x:Name="PostPadGrid">
        <Grid.Background>
            <AcrylicBrush BackgroundSource="HostBackdrop" TintOpacity="0.6" Opacity="0.4" TintColor="#CCEAEAEA" FallbackColor="#CCEAEAEA"/>
        </Grid.Background>
        <RichEditBox x:Name="PostPadBox" Margin="0,217,0,60" BorderThickness="0,0,0,0" PlaceholderText="What's on your mind?" Padding="20,20,20,20" IsHandwritingViewEnabled="True">
            <RichEditBox.Background>
                <AcrylicBrush BackgroundSource="HostBackdrop" TintOpacity="0.6" Opacity="0.4" TintColor="#CCEAEAEA"/>
            </RichEditBox.Background>
        </RichEditBox>
        <CommandBar x:Name="PostPadCommandBar" Margin="0,177,0,0" Background="#FFFDD23B">
            <CommandBar.Content>
                <Grid/>
            </CommandBar.Content>
            <AppBarButton x:Name="BoldButton" Icon="Bold" ToolTipService.ToolTip="Bold" VerticalAlignment="Bottom" Label="Bold"/>
            <AppBarButton x:Name="ItalicButton" Icon="Italic" ToolTipService.ToolTip="Italicize" VerticalAlignment="Bottom" Label="Italicize"/>
            <AppBarButton x:Name="UnderlineButton" Icon="Underline" ToolTipService.ToolTip="Underline" VerticalAlignment="Bottom" Label="Underline"/>
            <AppBarButton x:Name="StrikeoutButton" ToolTipService.ToolTip="Strikeout" VerticalAlignment="Bottom" Label="Strikeout">
                <AppBarButton.Icon>
                    <FontIcon Glyph="&#xEDE0;"/>
                </AppBarButton.Icon>
            </AppBarButton>
            <AppBarButton x:Name="BulletButton" Icon="Bullets" ToolTipService.ToolTip="Bullet" VerticalAlignment="Bottom" Label="Bullet"/>
            <AppBarButton x:Name="ImageButton" Icon="Camera" ToolTipService.ToolTip="Place image" VerticalAlignment="Bottom"  Label="Place"/>
            <AppBarButton x:Name="UndoButton" Icon="Undo" ToolTipService.ToolTip="Undo" VerticalAlignment="Bottom" Label="Undo"/>
            <AppBarButton x:Name="RedoButton" Icon="Redo" ToolTipService.ToolTip="Redo" VerticalAlignment="Bottom"  Label="Redo"/>
            <AppBarButton x:Name="SaveButton" Icon="Save" ToolTipService.ToolTip="Save" VerticalAlignment="Bottom"  Label="Save"/>
            <AppBarButton x:Name="OpenButton" Icon="OpenLocal" VerticalAlignment="Bottom" ToolTipService.ToolTip="Open" Label="Open"/>
            <AppBarButton x:Name="TrashButton" Icon="Clear" ToolTipService.ToolTip="Clear entry" VerticalAlignment="Bottom"  Label="Clear"/>
            <AppBarButton x:Name="SetButton" Icon="Import" VerticalAlignment="Bottom" ToolTipService.ToolTip="Get a note" Label="Get"/>
            <AppBarButton x:Name="EmojiButton" Icon="Emoji" VerticalAlignment="Bottom" ToolTipService.ToolTip="Insert emoji" Label="Emoji"/>
        </CommandBar>
        <ListBox x:Name="PostPadListbox" Height="177" VerticalAlignment="Top" Background="#FFFFF2C4" ContextFlyout="{Binding ElementName=CustomFO}">
            <ListBoxItem x:Name="NotesHeader" Content="So far, you have no notes. ☁️😌" FontSize="24" IsEnabled="False"/>
        </ListBox>
        <AppBarButton x:Name="DeleteNoteButton" Icon="Delete" Margin="55,0,0,10" VerticalAlignment="Bottom" Width="40" Height="40" ToolTipService.ToolTip="Delete note" CornerRadius="20,20,20,20" TabIndex="1"/>
        <AppBarButton x:Name="PostButton" Icon="Send" Margin="10,0,0,10" VerticalAlignment="Bottom" Width="40" Height="40" ToolTipService.ToolTip="Post note" CornerRadius="20,20,20,20" Background="{x:Null}" TabIndex="0"/>
        <TextBox x:Name="PrayerBox" HorizontalAlignment="Right" Margin="0,0,10,10" TextWrapping="Wrap" Text="" VerticalAlignment="Bottom" Height="40" PlaceholderText="What would you like prayer for?" CornerRadius="20,20,20,20" BorderThickness="0,0,0,0" Padding="10,8,8,8"/>

    </Grid>
</Page>