diff --git a/src/app/GUI/BoxesList/boxsinglewidget.cpp b/src/app/GUI/BoxesList/boxsinglewidget.cpp
index facc76a1f..2bcf1c02a 100644
--- a/src/app/GUI/BoxesList/boxsinglewidget.cpp
+++ b/src/app/GUI/BoxesList/boxsinglewidget.cpp
@@ -575,40 +575,34 @@ void BoxSingleWidget::setTargetAbstraction(SWT_Abstraction *abs) {
 void BoxSingleWidget::loadStaticPixmaps(int iconSize)
 {
     if (sStaticPixmapsLoaded) { return; }
-    const auto sizes = QIcon::fromTheme("visible").availableSizes();
-
-    qWarning() << "Icon theme:" << QIcon::themeName() << iconSize;
-    qWarning() << "Icon path:" << QIcon::themeSearchPaths();
-    qWarning() << "Icon sizes:" << sizes;
-
-    if (!sizes.contains(QSize(iconSize, iconSize))) {
+    if (!ThemeSupport::hasIconSize(iconSize)) {
         QMessageBox::warning(nullptr,
                              tr("Icon issues"),
                              tr("<p>Requested icon size <b>%1</b> is not available,"
-                                " expect blurry and missing icons.</p>"
+                                " expect blurry icons.</p>"
                                 "<p>Note that this may happen if you change the display scaling"
                                 " in Windows without restarting."
                                 " If you still have issues after restarting please report this issue.</p>").arg(iconSize));
     }
-
-    VISIBLE_ICON = new QPixmap(QIcon::fromTheme("visible").pixmap(iconSize, iconSize));
-    INVISIBLE_ICON = new QPixmap(QIcon::fromTheme("hidden").pixmap(iconSize, iconSize));
-    BOX_CHILDREN_VISIBLE_ICON = new QPixmap(QIcon::fromTheme("visible-child").pixmap(iconSize, iconSize));
-    BOX_CHILDREN_HIDDEN_ICON = new QPixmap(QIcon::fromTheme("hidden-child").pixmap(iconSize, iconSize));
-    ANIMATOR_CHILDREN_VISIBLE_ICON = new QPixmap(QIcon::fromTheme("visible-child-small").pixmap(iconSize, iconSize));
-    ANIMATOR_CHILDREN_HIDDEN_ICON = new QPixmap(QIcon::fromTheme("hidden-child-small").pixmap(iconSize, iconSize));
-    LOCKED_ICON = new QPixmap(QIcon::fromTheme("locked").pixmap(iconSize, iconSize));
-    UNLOCKED_ICON = new QPixmap(QIcon::fromTheme("unlocked").pixmap(iconSize, iconSize));
-    MUTED_ICON = new QPixmap(QIcon::fromTheme("muted").pixmap(iconSize, iconSize));
-    UNMUTED_ICON = new QPixmap(QIcon::fromTheme("unmuted").pixmap(iconSize, iconSize));
-    ANIMATOR_RECORDING_ICON = new QPixmap(QIcon::fromTheme("record").pixmap(iconSize, iconSize));
-    ANIMATOR_NOT_RECORDING_ICON = new QPixmap(QIcon::fromTheme("norecord").pixmap(iconSize, iconSize));
-    ANIMATOR_DESCENDANT_RECORDING_ICON = new QPixmap(QIcon::fromTheme("record-child").pixmap(iconSize, iconSize));
-    C_ICON = new QPixmap(QIcon::fromTheme("cpu-active").pixmap(iconSize, iconSize));
-    G_ICON = new QPixmap(QIcon::fromTheme("gpu-active").pixmap(iconSize, iconSize));
-    CG_ICON = new QPixmap(QIcon::fromTheme("cpu-gpu").pixmap(iconSize, iconSize));
-    GRAPH_PROPERTY_ICON = new QPixmap(QIcon::fromTheme("graph_property_2").pixmap(iconSize, iconSize));
-    PROMOTE_TO_LAYER_ICON = new QPixmap(QIcon::fromTheme("layer").pixmap(iconSize, iconSize));
+    const auto pixmapSize = ThemeSupport::getIconSize(iconSize);
+    VISIBLE_ICON = new QPixmap(QIcon::fromTheme("visible").pixmap(pixmapSize));
+    INVISIBLE_ICON = new QPixmap(QIcon::fromTheme("hidden").pixmap(pixmapSize));
+    BOX_CHILDREN_VISIBLE_ICON = new QPixmap(QIcon::fromTheme("visible-child").pixmap(pixmapSize));
+    BOX_CHILDREN_HIDDEN_ICON = new QPixmap(QIcon::fromTheme("hidden-child").pixmap(pixmapSize));
+    ANIMATOR_CHILDREN_VISIBLE_ICON = new QPixmap(QIcon::fromTheme("visible-child-small").pixmap(pixmapSize));
+    ANIMATOR_CHILDREN_HIDDEN_ICON = new QPixmap(QIcon::fromTheme("hidden-child-small").pixmap(pixmapSize));
+    LOCKED_ICON = new QPixmap(QIcon::fromTheme("locked").pixmap(pixmapSize));
+    UNLOCKED_ICON = new QPixmap(QIcon::fromTheme("unlocked").pixmap(pixmapSize));
+    MUTED_ICON = new QPixmap(QIcon::fromTheme("muted").pixmap(pixmapSize));
+    UNMUTED_ICON = new QPixmap(QIcon::fromTheme("unmuted").pixmap(pixmapSize));
+    ANIMATOR_RECORDING_ICON = new QPixmap(QIcon::fromTheme("record").pixmap(pixmapSize));
+    ANIMATOR_NOT_RECORDING_ICON = new QPixmap(QIcon::fromTheme("norecord").pixmap(pixmapSize));
+    ANIMATOR_DESCENDANT_RECORDING_ICON = new QPixmap(QIcon::fromTheme("record-child").pixmap(pixmapSize));
+    C_ICON = new QPixmap(QIcon::fromTheme("cpu-active").pixmap(pixmapSize));
+    G_ICON = new QPixmap(QIcon::fromTheme("gpu-active").pixmap(pixmapSize));
+    CG_ICON = new QPixmap(QIcon::fromTheme("cpu-gpu").pixmap(pixmapSize));
+    GRAPH_PROPERTY_ICON = new QPixmap(QIcon::fromTheme("graph_property_2").pixmap(pixmapSize));
+    PROMOTE_TO_LAYER_ICON = new QPixmap(QIcon::fromTheme("layer").pixmap(pixmapSize));
 
     sStaticPixmapsLoaded = true;
 }
diff --git a/src/app/friction.qss b/src/app/friction.qss
index a202dc61c..b730bbd07 100644
--- a/src/app/friction.qss
+++ b/src/app/friction.qss
@@ -20,6 +20,8 @@
 
 /*
 
+Colors and icon size from 'src/core/themesupport.cpp'.
+
 %1 = getThemeButtonBaseColor
 %2 = getThemeButtonBorderColor
 %3 = getThemeBaseDarkerColor
@@ -312,7 +314,6 @@ QPushButton#FlatButton:hover,
 QToolButton#FlatButton:hover {
     background-color: rgb(19, 19, 21);
     border-color: rgb(104, 144, 206);
-    
 }
 
 QTabWidget#ThirdPartyBrowser { border: 0; }
diff --git a/src/core/themesupport.cpp b/src/core/themesupport.cpp
index 0c26585f9..5ae6e3d05 100644
--- a/src/core/themesupport.cpp
+++ b/src/core/themesupport.cpp
@@ -196,7 +196,7 @@ const QString ThemeSupport::getThemeStyle(int iconSize)
                    getThemeHighlightColor().name(),
                    getThemeBaseColor().name(),
                    getThemeAlternateColor().name(),
-                   QString::number(iconSize),
+                   QString::number(getIconSize(iconSize).width()),
                    getThemeColorOrange().name(),
                    getThemeRangeSelectedColor().name());
 }
@@ -227,3 +227,32 @@ void ThemeSupport::setupTheme(const int iconSize)
     qApp->setPalette(palette);
     qApp->setStyleSheet(getThemeStyle(iconSize));
 }
+
+const QList<QSize> ThemeSupport::getAvailableIconSizes()
+{
+    return QIcon::fromTheme("visible").availableSizes();
+}
+
+const QSize ThemeSupport::getIconSize(const int size)
+{
+    QSize requestedSize(size, size);
+    const auto iconSizes = getAvailableIconSizes();
+    if (iconSizes.contains(requestedSize)) { return requestedSize; }
+    return findClosestIconSize(size);
+}
+
+bool ThemeSupport::hasIconSize(const int size)
+{
+    return getAvailableIconSizes().contains(QSize(size, size));
+}
+
+const QSize ThemeSupport::findClosestIconSize(int iconSize)
+{
+    const auto iconSizes = getAvailableIconSizes();
+    return *std::min_element(iconSizes.begin(),
+                             iconSizes.end(),
+                             [iconSize](const QSize& a,
+                                        const QSize& b) {
+        return qAbs(a.width() - iconSize) < qAbs(b.width() - iconSize);
+    });
+}
diff --git a/src/core/themesupport.h b/src/core/themesupport.h
index 433c07b7e..bfd72c517 100644
--- a/src/core/themesupport.h
+++ b/src/core/themesupport.h
@@ -27,6 +27,8 @@
 #include "core_global.h"
 
 #include <QPalette>
+#include <QList>
+#include <QSize>
 
 #include "include/core/SkColor.h"
 
@@ -64,6 +66,10 @@ class CORE_EXPORT ThemeSupport
     static const QPalette getNotSoDarkPalette(int alpha = 255);
     static const QString getThemeStyle(int iconSize = 20);
     static void setupTheme(const int iconSize = 20);
+    static const QList<QSize> getAvailableIconSizes();
+    static const QSize getIconSize(const int size);
+    static bool hasIconSize(const int size);
+    static const QSize findClosestIconSize(int iconSize);
 };
 
 #endif // THEMESUPPORT_H