Index: /trunk/src/VBox/Frontends/VirtualBox/src/manager/details/UIDetailsSet.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/manager/details/UIDetailsSet.cpp	(revision 74686)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/manager/details/UIDetailsSet.cpp	(revision 74687)
@@ -21,5 +21,7 @@
 
 /* Qt includes: */
+# include <QPainter>
 # include <QStyle>
+# include <QStyleOptionGraphicsItem>
 
 /* GUI includes: */
@@ -196,4 +198,10 @@
         emit sigBuildDone();
     }
+}
+
+void UIDetailsSet::paint(QPainter *pPainter, const QStyleOptionGraphicsItem *pOptions, QWidget *)
+{
+    /* Paint background: */
+    paintBackground(pPainter, pOptions);
 }
 
@@ -689,2 +697,18 @@
         iAdditionalPreviewHeight = iGroupHeight - iPreviewHeight;
 }
+
+void UIDetailsSet::paintBackground(QPainter *pPainter, const QStyleOptionGraphicsItem *pOptions) const
+{
+    /* Save painter: */
+    pPainter->save();
+
+    /* Prepare variables: */
+    const QRect optionRect = pOptions->rect;
+
+    /* Paint default background: */
+    const QColor defaultColor = palette().color(QPalette::Active, QPalette::Midlight).darker(110);
+    pPainter->fillRect(optionRect, defaultColor);
+
+    /* Restore painter: */
+    pPainter->restore();
+}
Index: /trunk/src/VBox/Frontends/VirtualBox/src/manager/details/UIDetailsSet.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/manager/details/UIDetailsSet.h	(revision 74686)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/manager/details/UIDetailsSet.h	(revision 74687)
@@ -76,4 +76,10 @@
 protected:
 
+    /** @name Event-handling stuff.
+      * @{ */
+        /** Performs painting using passed @a pPainter, @a pOptions and optionally specified @a pWidget. */
+        virtual void paint(QPainter *pPainter, const QStyleOptionGraphicsItem *pOptions, QWidget *pWidget = 0) /* override */;
+    /** @} */
+
     /** @name Item stuff.
       * @{ */
@@ -173,4 +179,10 @@
     /** @} */
 
+    /** @name Painting stuff.
+      * @{ */
+        /** Paints background using specified @a pPainter and certain @a pOptions. */
+        void paintBackground(QPainter *pPainter, const QStyleOptionGraphicsItem *pOptions) const;
+    /** @} */
+
     /** @name Item stuff.
       * @{ */