update style

Libraries/News/MCLNowOnAir.xaml

@@ -1,5 +1,5 @@
 <local:MyCard Margin="0,0,0,5" Title="       Minecraft Live 正在直播">
-    <Border Background="#22EE1111" CornerRadius="5">
+    <Border Background="#30EE1111" CornerRadius="5" BorderBrush="#88EE1111" BorderThickness="1.2">
     <StackPanel>
     <TextBlock Text="●" Foreground="#DDEE1111" FontSize="28" Margin="20,0"/>
     <Grid Margin="16,0,16,20">