<Window x:Class="Test.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        Title="MainWindow" Height="350" Width="525">

    <Window.Resources>

        <Style x:Key="LoginTextBoxStyle" TargetType="TextBox">

            <Setter Property="BorderThickness" Value="1"/>

            <Setter Property="Background" Value="#FFFFFFFF"/>

            <Setter Property="Foreground" Value="#FF000000"/>

            <Setter Property="Padding" Value="2"/>

            <Setter Property="BorderBrush">

                <Setter.Value>

                    <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">

                        <GradientStop Color="#FFA3AEB9" Offset="0"/>

                        <GradientStop Color="#FF8399A9" Offset="0.375"/>

                        <GradientStop Color="#FF718597" Offset="0.375"/>

                        <GradientStop Color="#FF617584" Offset="1"/>

                    </LinearGradientBrush>

                </Setter.Value>

            </Setter>

            <Setter Property="Template">

                <Setter.Value>