WPF4/MainWindow.xaml

<Window x:Class="WpfApp2.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d"
        Title="MainWindow" Height="720"
        Width="1200"
        WindowStartupLocation="CenterScreen"
        Background="Transparent"
        AllowsTransparency="True"
        WindowStyle="None">


    <Grid Margin="-50,-29,0,0">
        <Grid.Background>
            <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                <GradientStop Color="Aquamarine" Offset="0"/>
                <GradientStop Color="#BADFE7" Offset="0.5"/>
                <GradientStop Color="#4E90A0" Offset="1"/>
            </LinearGradientBrush>
        </Grid.Background>


        <TextBlock Text="Система внутреннего учета инвестиционной компании" Foreground="#2E2E2E" FontSize="30" FontWeight="Bold"  HorizontalAlignment="Center" Margin="0,90,0,584" Width="820"/>

        <TextBlock HorizontalAlignment="Left" Width="100" Margin="61,200,0,0" VerticalAlignment="Top" Height="25" FontSize="15">
            <Hyperlink NavigateUri="NavigateToPage1" Click="Hyperlink_Click">
                <TextBlock Text="СОТРУДНИКИ"/>
     
            </Hyperlink>
               
        </TextBlock>
        <Frame x:Name="mainFrame" Margin="190,141,10,24" />


        <TextBlock HorizontalAlignment="Left" Width="73" Margin="60,230,0,0" VerticalAlignment="Top" Height="20" FontSize="15">
        <Hyperlink Click="NavigateToPage2">
            <TextBlock Text="КЛИЕНТЫ"/>
        </Hyperlink>
       </TextBlock>


        <TextBlock HorizontalAlignment="Left" Width="80" Margin="60,260,0,0" VerticalAlignment="Top" Height="20" FontSize="15">
        <Hyperlink Click="NavigateToPage3">
            <TextBlock Text="ДОГОВОРА"/>
        </Hyperlink>
       </TextBlock>

        <TextBlock HorizontalAlignment="Left" Width="130" Margin="60,290,0,0" VerticalAlignment="Top" Height="20" FontSize="15">
        <Hyperlink Click="NavigateToPage4">
            <TextBlock Text="ЦЕННЫЕ БУМАГИ" Width="123" Height="27"/>
        </Hyperlink>
       </TextBlock>

        <TextBlock HorizontalAlignment="Left" Width="63" Margin="60,320,0,0" VerticalAlignment="Top" Height="20" FontSize="15">
        <Hyperlink Click="NavigateToPage5">
            <TextBlock Text="СДЕЛКИ" Height="22" Width="72"/>
        </Hyperlink>
       </TextBlock>

        <TextBlock HorizontalAlignment="Left" Width="69" Margin="60,0,0,0" VerticalAlignment="Center" Height="49" FontSize="15" RenderTransformOrigin="0.413,-0.425">
        <Hyperlink Click="NavigateToPage6">
            <InlineUIContainer>
            <TextBlock Height="26" Width="86" RenderTransformOrigin="0.388,1.655"><Run Language="ru-ru" Text="СПРАВКА"/></TextBlock>
            </InlineUIContainer>
        </Hyperlink>
       </TextBlock>

        <Button Content="Выход" FontSize="22" Margin="51,618,0,0" HorizontalAlignment="Left" Click="ExitApplication" Foreground="Black" VerticalAlignment="Top" Width="130" FontFamily="Perpetua Titling MT" BorderBrush="{x:Null}" Height="52">
            <Button.Background>
                <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
                    <GradientStop Color="#FF258DB9"/>
                    <GradientStop Color="#FFFFE3E3" Offset="1"/>
                </LinearGradientBrush>
            </Button.Background>
        </Button>
    </Grid>
</Window>