some UI changes

Workbench/QMonitor/qmonlib.ui/Views/MainView.axaml

@@ -41,7 +41,14 @@
             <!--[-]Split LVL 1-->
 
             <!-- Content section -->
-
+            <Panel HorizontalAlignment="Stretch" VerticalAlignment="Top">
+                <Panel.Background>
+                    <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
+                        <GradientStop Color="#FF1E1E1E" Offset="0" />
+                        <GradientStop Color="#FF2E2E2E" Offset="1" />
+                    </LinearGradientBrush>
+                </Panel.Background>
+            </Panel>
         </SplitView>
         <!--[-]Split LVL 0-->
     </SplitView>

Workbench/QMonitor/qmonlib.ui/qmonlib.ui.csproj

@@ -15,7 +15,6 @@
   <ItemGroup>
     <None Remove="Images\32\adjust.png" />
     <None Remove="Images\32\log.png" />
-    <None Remove="Images\adjust.png" />
   </ItemGroup>
 
   <ItemGroup>