diff --git a/src/gui/designer/dlgVsSystem.ui b/src/gui/designer/dlgVsSystem.ui
index 726939e6b..d73124f25 100644
--- a/src/gui/designer/dlgVsSystem.ui
+++ b/src/gui/designer/dlgVsSystem.ui
@@ -151,6 +151,9 @@
          </item>
          <item>
           <layout class="QHBoxLayout" name="horizontalLayout_Button_Monitor">
+           <property name="spacing">
+            <number>0</number>
+           </property>
            <item>
             <widget class="QPushButton" name="pushButton_Left_Monitor">
              <property name="text">
diff --git a/src/gui/dlgVsSystem.cpp b/src/gui/dlgVsSystem.cpp
index 3f9c47864..42d8a7db7 100644
--- a/src/gui/dlgVsSystem.cpp
+++ b/src/gui/dlgVsSystem.cpp
@@ -32,6 +32,8 @@ dlgVsSystem::dlgVsSystem(QWidget *parent) : QDialog(parent) {
 
 	setStyleSheet(tools_stylesheet());
 
+	widget_Monitor->setStyleSheet(button_stylesheet());
+
 	pushButton_Left_Coin->setProperty("myIndex", QVariant(1));
 	pushButton_Right_Coin->setProperty("myIndex", QVariant(2));
 	pushButton_Service_Coin->setProperty("myIndex", QVariant(3));