SignInWindow.xaml

<?xml version="1.0" encoding="utf-8"?>

<Window
    x:Class="Coder.Desktop.App.Views.SignInWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:controls="using:Coder.Desktop.App.Controls"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    Title="Sign in to Coder">

    <Window.SystemBackdrop>
        <DesktopAcrylicBackdrop />
    </Window.SystemBackdrop>

    <controls:SizedFrame x:Name="RootFrame" />
</Window>