aivfo-tl-3.0/ivf_tl_operate_2.0/ivf_tl_Operate/CustomUserControls/PhotoButton.xaml

<UserControl x:Class="ivf_tl_Operate.CustomUserControls.PhotoButton"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:ivf_tl_Operate.CustomUserControls"
             mc:Ignorable="d" 
             >
    <Border x:Name="_border" Grid.Column="0" CornerRadius="40" Width="140" Height="80">
        <Border.Background>
            <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
                <GradientStop  Color="#6F7377" Offset="0.1" />
                <GradientStop  Color="#AEB2B7" Offset="0.9" />
            </LinearGradientBrush>
        </Border.Background>
        <TextBlock x:Name="_text" Text="0-18h" FontSize="33" Foreground="White" VerticalAlignment="Center" HorizontalAlignment="Center"/>
    </Border>
</UserControl>