Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/global/UIGlobalSettingsExtension.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/global/UIGlobalSettingsExtension.cpp	(revision 55927)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/global/UIGlobalSettingsExtension.cpp	(revision 55928)
@@ -106,6 +106,10 @@
             this, SLOT(sltShowContextMenu(const QPoint&)));
 
+    /* Determine icon metric: */
+    const QStyle *pStyle = QApplication::style();
+    const int iIconMetric = pStyle->pixelMetric(QStyle::PM_SmallIconSize);
+
     /* Setup tool-bar: */
-    m_pPackagesToolbar->setIconSize(QSize(16, 16));
+    m_pPackagesToolbar->setIconSize(QSize(iIconMetric, iIconMetric));
     m_pPackagesToolbar->setOrientation(Qt::Vertical);
     m_pActionAdd = m_pPackagesToolbar->addAction(UIIconPool::iconSet(":/extension_pack_install_16px.png",
Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/global/UIGlobalSettingsNetwork.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/global/UIGlobalSettingsNetwork.cpp	(revision 55927)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/global/UIGlobalSettingsNetwork.cpp	(revision 55928)
@@ -456,7 +456,11 @@
     }
 
+    /* Determine icon metric: */
+    const QStyle *pStyle = QApplication::style();
+    const int iIconMetric = pStyle->pixelMetric(QStyle::PM_SmallIconSize);
+
     /* Prepare NAT network toolbar: */
     {
-        m_pToolbarNetworkNAT->setIconSize(QSize(16, 16));
+        m_pToolbarNetworkNAT->setIconSize(QSize(iIconMetric, iIconMetric));
         m_pToolbarNetworkNAT->setOrientation(Qt::Vertical);
         m_pToolbarNetworkNAT->addAction(m_pActionAddNetworkNAT);
@@ -466,5 +470,5 @@
     /* Prepare Host network toolbar: */
     {
-        m_pToolbarNetworkHost->setIconSize(QSize(16, 16));
+        m_pToolbarNetworkHost->setIconSize(QSize(iIconMetric, iIconMetric));
         m_pToolbarNetworkHost->setOrientation(Qt::Vertical);
         m_pToolbarNetworkHost->addAction(m_pActionAddNetworkHost);