diff --git a/src/singletons/thememanager.cpp b/src/singletons/thememanager.cpp
index a844ede2c..6b05e3f47 100644
--- a/src/singletons/thememanager.cpp
+++ b/src/singletons/thememanager.cpp
@@ -53,7 +53,23 @@ void ThemeManager::update()
 // multiplier: 1 = white, 0.8 = light, -0.8 dark, -1 black
 void ThemeManager::actuallyUpdate(double hue, double multiplier)
 {
-    lightTheme = multiplier > 0;
+    isLight = multiplier > 0;
+    bool isLightTabs;
+
+    QColor themeColor = QColor::fromHslF(hue, 0.5, 0.5);
+    QColor themeColorNoSat = QColor::fromHslF(hue, 0.5, 0.5);
+
+#ifdef USEWINSDK
+    QColor tabFg = isLight ? "#000" : "#fff";
+    this->windowBg = isLight ? "#fff" : "#444";
+
+    isLightTabs = isLight;
+#else
+    QColor tabFg = lightTheme ? "#000" : "#fff";
+    this->windowBg = "#fff";
+
+    isLightTabs = true;
+#endif
 
     qreal sat = 0.05;
 
@@ -70,30 +86,30 @@ void ThemeManager::actuallyUpdate(double hue, double multiplier)
 
     // message (referenced later)
     this->messages.textColors.caret =  //
-        this->messages.textColors.regular = lightTheme ? QColor(0, 0, 0) : QColor(255, 255, 255);
+        this->messages.textColors.regular = isLight ? "#000" : "#fff";
 
     // tabs
     // text, {regular, hover, unfocused}
-    this->tabs.regular = {QColor(0, 0, 0),
-                          {QColor(255, 255, 255), QColor(200, 200, 200), QColor(255, 255, 255)}};
+    this->tabs.regular = {tabFg, {windowBg, blendColors(windowBg, "#999", 0.5), windowBg}};
 
-    this->tabs.selected = {QColor(255, 255, 255),
-                           {QColor::fromHslF(hue, 0.5, 0.5), QColor::fromHslF(hue, 0.5, 0.5),
-                            QColor::fromHslF(hue, 0, 0.5)}};
+    this->tabs.selected = {"#fff", {themeColor, themeColor, QColor::fromHslF(hue, 0, 0.5)}};
 
-    this->tabs.newMessage = {QColor(0, 0, 0),
-                             {QBrush(QColor::fromHslF(hue, 0.5, 0.8), Qt::DiagCrossPattern),
-                              QBrush(QColor::fromHslF(hue, 0.5, 0.7), Qt::DiagCrossPattern),
-                              QBrush(QColor::fromHslF(hue, 0, 0.8), Qt::DiagCrossPattern)}};
+    this->tabs.newMessage = {
+        tabFg,
+        {QBrush(blendColors(themeColor, windowBg, 0.5), Qt::DiagCrossPattern),
+         QBrush(blendColors(themeColor, windowBg, 0.3), Qt::DiagCrossPattern),
+         QBrush(blendColors(themeColorNoSat, windowBg, 0.5), Qt::DiagCrossPattern)}};
 
-    this->tabs.highlighted = {QColor(0, 0, 0),
-                              {QColor::fromHslF(hue, 0.5, 0.8), QColor::fromHslF(hue, 0.5, 0.7),
-                               QColor::fromHslF(hue, 0, 0.8)}};
+    this->tabs.highlighted = {
+        tabFg,
+        {QBrush(blendColors(themeColor, windowBg, 0.5), Qt::DiagCrossPattern),
+         QBrush(blendColors(themeColor, windowBg, 0.3), Qt::DiagCrossPattern),
+         QBrush(blendColors(themeColorNoSat, windowBg, 0.5), Qt::DiagCrossPattern)}};
 
     // Split
-    bool flat = lightTheme;
+    bool flat = isLight;
 
-    this->splits.messageSeperator = lightTheme ? QColor(127, 127, 127) : QColor(80, 80, 80);
+    this->splits.messageSeperator = isLight ? QColor(127, 127, 127) : QColor(80, 80, 80);
     this->splits.background = getColor(0, sat, 1);
     this->splits.dropPreview = getColor(hue, 0.5, 0.5, 0.6);
     // this->splits.border
@@ -113,7 +129,7 @@ void ThemeManager::actuallyUpdate(double hue, double multiplier)
         "selection-background-color:" + this->tabs.selected.backgrounds.regular.color().name();
 
     // Message
-    this->messages.textColors.link = lightTheme ? QColor(66, 134, 244) : QColor(66, 134, 244);
+    this->messages.textColors.link = isLight ? QColor(66, 134, 244) : QColor(66, 134, 244);
     this->messages.textColors.system = QColor(140, 127, 127);
 
     this->messages.backgrounds.regular = splits.background;
@@ -151,7 +167,7 @@ QColor ThemeManager::blendColors(const QColor &color1, const QColor &color2, qre
 
 void ThemeManager::normalizeColor(QColor &color)
 {
-    if (this->lightTheme) {
+    if (this->isLight) {
         if (color.lightnessF() > 0.5f) {
             color.setHslF(color.hueF(), color.saturationF(), 0.5f);
         }
diff --git a/src/singletons/thememanager.hpp b/src/singletons/thememanager.hpp
index c64636650..fa8c0a0c5 100644
--- a/src/singletons/thememanager.hpp
+++ b/src/singletons/thememanager.hpp
@@ -20,7 +20,7 @@ public:
 
     inline bool isLightTheme() const
     {
-        return this->lightTheme;
+        return this->isLight;
     }
 
     struct TabColors {
@@ -97,6 +97,9 @@ public:
         QColor background;
     } tooltip;
 
+    QColor windowBg;
+    QColor windowText;
+
     void normalizeColor(QColor &color);
 
     void update();
@@ -116,7 +119,7 @@ private:
     void fillLookupTableValues(double (&array)[360], double from, double to, double fromValue,
                                double toValue);
 
-    bool lightTheme = false;
+    bool isLight = false;
 
     pajlada::Signals::NoArgSignal repaintVisibleChatWidgets;
 
diff --git a/src/widgets/basewidget.cpp b/src/widgets/basewidget.cpp
index f977086f1..808a59412 100644
--- a/src/widgets/basewidget.cpp
+++ b/src/widgets/basewidget.cpp
@@ -11,22 +11,22 @@
 namespace chatterino {
 namespace widgets {
 
-BaseWidget::BaseWidget(singletons::ThemeManager &_themeManager, QWidget *parent)
-    : QWidget(parent)
+BaseWidget::BaseWidget(singletons::ThemeManager &_themeManager, QWidget *parent, Qt::WindowFlags f)
+    : QWidget(parent, f)
     , themeManager(_themeManager)
 {
     this->init();
 }
 
-BaseWidget::BaseWidget(BaseWidget *parent)
-    : QWidget(parent)
+BaseWidget::BaseWidget(BaseWidget *parent, Qt::WindowFlags f)
+    : QWidget(parent, f)
     , themeManager(singletons::ThemeManager::getInstance())
 {
     this->init();
 }
 
-BaseWidget::BaseWidget(QWidget *parent)
-    : QWidget(parent)
+BaseWidget::BaseWidget(QWidget *parent, Qt::WindowFlags f)
+    : QWidget(parent, f)
     , themeManager(singletons::ThemeManager::getInstance())
 {
 }
diff --git a/src/widgets/basewidget.hpp b/src/widgets/basewidget.hpp
index b2e495b3b..8030655ed 100644
--- a/src/widgets/basewidget.hpp
+++ b/src/widgets/basewidget.hpp
@@ -14,9 +14,10 @@ class BaseWidget : public QWidget
     Q_OBJECT
 
 public:
-    explicit BaseWidget(singletons::ThemeManager &_themeManager, QWidget *parent);
-    explicit BaseWidget(BaseWidget *parent);
-    explicit BaseWidget(QWidget *parent = nullptr);
+    explicit BaseWidget(singletons::ThemeManager &_themeManager, QWidget *parent,
+                        Qt::WindowFlags f = Qt::WindowFlags());
+    explicit BaseWidget(BaseWidget *parent, Qt::WindowFlags f = Qt::WindowFlags());
+    explicit BaseWidget(QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
 
     singletons::ThemeManager &themeManager;
 
diff --git a/src/widgets/basewindow.cpp b/src/widgets/basewindow.cpp
index 54c5c517b..dd6dd14c3 100644
--- a/src/widgets/basewindow.cpp
+++ b/src/widgets/basewindow.cpp
@@ -4,28 +4,46 @@
 #include "util/nativeeventhelper.hpp"
 #include "widgets/tooltipwidget.hpp"
 
+#include <QApplication>
 #include <QDebug>
 #include <QIcon>
 
+#ifdef USEWINSDK
+#include <dwmapi.h>
+#include <gdiplus.h>
+#include <objidl.h>
 #include <windows.h>
+#include <windowsx.h>
+#pragma comment(lib, "Dwmapi.lib")
+
+#include <QHBoxLayout>
+#include <QVBoxLayout>
+#include "widgets/helper/rippleeffectlabel.hpp"
+
+#define WM_DPICHANGED 0x02E0
+#endif
 
 namespace chatterino {
 namespace widgets {
 
-BaseWindow::BaseWindow(singletons::ThemeManager &_themeManager, QWidget *parent)
-    : BaseWidget(_themeManager, parent)
+BaseWindow::BaseWindow(singletons::ThemeManager &_themeManager, QWidget *parent,
+                       bool _enableCustomFrame)
+    : BaseWidget(_themeManager, parent, Qt::Window)
+    , enableCustomFrame(_enableCustomFrame)
 {
     this->init();
 }
 
-BaseWindow::BaseWindow(BaseWidget *parent)
-    : BaseWidget(parent)
+BaseWindow::BaseWindow(BaseWidget *parent, bool _enableCustomFrame)
+    : BaseWidget(parent, Qt::Window)
+    , enableCustomFrame(_enableCustomFrame)
 {
     this->init();
 }
 
-BaseWindow::BaseWindow(QWidget *parent)
-    : BaseWidget(parent)
+BaseWindow::BaseWindow(QWidget *parent, bool _enableCustomFrame)
+    : BaseWidget(parent, Qt::Window)
+    , enableCustomFrame(_enableCustomFrame)
 {
     this->init();
 }
@@ -35,6 +53,51 @@ void BaseWindow::init()
     this->setWindowIcon(QIcon(":/images/icon.png"));
 
 #ifdef USEWINSDK
+    if (this->hasCustomWindowFrame()) {
+        // CUSTOM WINDOW FRAME
+        QVBoxLayout *layout = new QVBoxLayout;
+        layout->setMargin(1);
+        this->setLayout(layout);
+        {
+            QHBoxLayout *buttons = this->titlebarBox = new QHBoxLayout;
+            buttons->setMargin(0);
+            layout->addLayout(buttons);
+
+            // title
+            QLabel *titleLabel = new QLabel("Chatterino");
+            buttons->addWidget(titleLabel);
+            this->titleLabel = titleLabel;
+
+            // buttons
+            RippleEffectLabel *min = new RippleEffectLabel;
+            min->getLabel().setText("min");
+            min->setFixedSize(46, 30);
+            RippleEffectLabel *max = new RippleEffectLabel;
+            max->setFixedSize(46, 30);
+            max->getLabel().setText("max");
+            RippleEffectLabel *exit = new RippleEffectLabel;
+            exit->setFixedSize(46, 30);
+            exit->getLabel().setText("exit");
+
+            this->minButton = min;
+            this->maxButton = max;
+            this->exitButton = exit;
+
+            this->widgets.push_back(min);
+            this->widgets.push_back(max);
+            this->widgets.push_back(exit);
+
+            buttons->addStretch(1);
+            buttons->addWidget(min);
+            buttons->addWidget(max);
+            buttons->addWidget(exit);
+        }
+        this->layoutBase = new QWidget(this);
+        this->widgets.push_back(this->layoutBase);
+        layout->addWidget(this->layoutBase);
+    }
+
+    // DPI
     auto dpi = util::getWindowDpi(this->winId());
 
     if (dpi) {
@@ -49,6 +112,40 @@ void BaseWindow::init()
     }
 }
 
+QWidget *BaseWindow::getLayoutContainer()
+{
+    if (this->enableCustomFrame) {
+        return this->layoutBase;
+    } else {
+        return this;
+    }
+}
+
+bool BaseWindow::hasCustomWindowFrame()
+{
+#ifdef Q_OS_WIN
+    return this->enableCustomFrame;
+#else
+    return false;
+#endif
+}
+
+void BaseWindow::refreshTheme()
+{
+    QPalette palette;
+    palette.setColor(QPalette::Background, this->themeManager.windowBg);
+    palette.setColor(QPalette::Foreground, this->themeManager.windowText);
+    this->setPalette(palette);
+}
+
+void BaseWindow::addTitleBarButton(const QString &text)
+{
+    RippleEffectLabel *label = new RippleEffectLabel;
+    label->getLabel().setText(text);
+    this->widgets.push_back(label);
+    this->titlebarBox->insertWidget(2, label);
+}
+
 void BaseWindow::changeEvent(QEvent *)
 {
     TooltipWidget::getInstance()->hide();
@@ -64,26 +161,156 @@ bool BaseWindow::nativeEvent(const QByteArray &eventType, void *message, long *r
 {
     MSG *msg = reinterpret_cast<MSG *>(message);
 
-    // WM_DPICHANGED
-    if (msg->message == 0x02E0) {
-        qDebug() << "dpi changed";
-        int dpi = HIWORD(msg->wParam);
+    switch (msg->message) {
+        case WM_DPICHANGED: {
+            qDebug() << "dpi changed";
+            int dpi = HIWORD(msg->wParam);
 
-        float oldDpiMultiplier = this->dpiMultiplier;
-        this->dpiMultiplier = dpi / 96.f;
-        float scale = this->dpiMultiplier / oldDpiMultiplier;
+            float oldDpiMultiplier = this->dpiMultiplier;
+            this->dpiMultiplier = dpi / 96.f;
+            float scale = this->dpiMultiplier / oldDpiMultiplier;
 
-        this->dpiMultiplierChanged(oldDpiMultiplier, this->dpiMultiplier);
+            this->dpiMultiplierChanged(oldDpiMultiplier, this->dpiMultiplier);
 
-        this->resize(static_cast<int>(this->width() * scale),
-                     static_cast<int>(this->height() * scale));
+            this->resize(static_cast<int>(this->width() * scale),
+                         static_cast<int>(this->height() * scale));
 
-        return true;
+            return true;
+        }
+        case WM_NCCALCSIZE: {
+            if (this->hasCustomWindowFrame()) {
+                // this kills the window frame and title bar we added with
+                // WS_THICKFRAME and WS_CAPTION
+                *result = 0;
+                return true;
+            } else {
+                return QWidget::nativeEvent(eventType, message, result);
+            }
+            break;
+        }
+        case WM_NCHITTEST: {
+            if (this->hasCustomWindowFrame()) {
+                *result = 0;
+                const LONG border_width = 8;  // in pixels
+                RECT winrect;
+                GetWindowRect((HWND)winId(), &winrect);
+
+                long x = GET_X_LPARAM(msg->lParam);
+                long y = GET_Y_LPARAM(msg->lParam);
+
+                bool resizeWidth = minimumWidth() != maximumWidth();
+                bool resizeHeight = minimumHeight() != maximumHeight();
+
+                if (resizeWidth) {
+                    // left border
+                    if (x >= winrect.left && x < winrect.left + border_width) {
+                        *result = HTLEFT;
+                    }
+                    // right border
+                    if (x < winrect.right && x >= winrect.right - border_width) {
+                        *result = HTRIGHT;
+                    }
+                }
+                if (resizeHeight) {
+                    // bottom border
+                    if (y < winrect.bottom && y >= winrect.bottom - border_width) {
+                        *result = HTBOTTOM;
+                    }
+                    // top border
+                    if (y >= winrect.top && y < winrect.top + border_width) {
+                        *result = HTTOP;
+                    }
+                }
+                if (resizeWidth && resizeHeight) {
+                    // bottom left corner
+                    if (x >= winrect.left && x < winrect.left + border_width &&
+                        y < winrect.bottom && y >= winrect.bottom - border_width) {
+                        *result = HTBOTTOMLEFT;
+                    }
+                    // bottom right corner
+                    if (x < winrect.right && x >= winrect.right - border_width &&
+                        y < winrect.bottom && y >= winrect.bottom - border_width) {
+                        *result = HTBOTTOMRIGHT;
+                    }
+                    // top left corner
+                    if (x >= winrect.left && x < winrect.left + border_width && y >= winrect.top &&
+                        y < winrect.top + border_width) {
+                        *result = HTTOPLEFT;
+                    }
+                    // top right corner
+                    if (x < winrect.right && x >= winrect.right - border_width &&
+                        y >= winrect.top && y < winrect.top + border_width) {
+                        *result = HTTOPRIGHT;
+                    }
+                }
+
+                if (*result == 0) {
+                    bool client = false;
+
+                    QPoint point(x - winrect.left, y - winrect.top);
+                    for (QWidget *widget : this->widgets) {
+                        if (widget->geometry().contains(point)) {
+                            client = true;
+                        }
+                    }
+
+                    if (client) {
+                        *result = HTCLIENT;
+                    } else {
+                        *result = HTCAPTION;
+                    }
+                }
+
+                qDebug() << *result;
+
+                return true;
+            } else {
+                return QWidget::nativeEvent(eventType, message, result);
+            }
+            break;
+        }  // end case WM_NCHITTEST
+        case WM_CLOSE: {
+            if (this->enableCustomFrame) {
+                return close();
+            }
+            break;
+        }
+        default:
+            return QWidget::nativeEvent(eventType, message, result);
     }
+}
 
-    return QWidget::nativeEvent(eventType, message, result);
-}  // namespace widgets
+void BaseWindow::showEvent(QShowEvent *)
+{
+    if (this->isVisible() && this->hasCustomWindowFrame()) {
+        SetWindowLongPtr((HWND)this->winId(), GWL_STYLE,
+                         WS_POPUP | WS_CAPTION | WS_THICKFRAME | WS_MAXIMIZEBOX | WS_MINIMIZEBOX);
 
+        const MARGINS shadow = {1, 1, 1, 1};
+        DwmExtendFrameIntoClientArea((HWND)this->winId(), &shadow);
+
+        SetWindowPos((HWND)this->winId(), 0, 0, 0, 0, 0,
+                     SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE);
+    }
+}
+
+void BaseWindow::paintEvent(QPaintEvent *event)
+{
+    BaseWidget::paintEvent(event);
+
+    if (this->hasCustomWindowFrame()) {
+        QPainter painter(this);
+
+        bool windowFocused = this->window() == QApplication::activeWindow();
+
+        if (windowFocused) {
+            painter.setPen(this->themeManager.tabs.selected.backgrounds.regular.color());
+        } else {
+            painter.setPen(this->themeManager.tabs.selected.backgrounds.unfocused.color());
+        }
+        painter.drawRect(0, 0, this->width() - 1, this->height() - 1);
+    }
+}
 #endif
 
 }  // namespace widgets
diff --git a/src/widgets/basewindow.hpp b/src/widgets/basewindow.hpp
index fdad9fe65..5e1374f9b 100644
--- a/src/widgets/basewindow.hpp
+++ b/src/widgets/basewindow.hpp
@@ -2,26 +2,47 @@
 
 #include "basewidget.hpp"
 
+class QHBoxLayout;
+
 namespace chatterino {
 namespace widgets {
 
 class BaseWindow : public BaseWidget
 {
 public:
-    explicit BaseWindow(singletons::ThemeManager &_themeManager, QWidget *parent);
-    explicit BaseWindow(BaseWidget *parent);
-    explicit BaseWindow(QWidget *parent = nullptr);
+    explicit BaseWindow(singletons::ThemeManager &_themeManager, QWidget *parent,
+                        bool enableCustomFrame = false);
+    explicit BaseWindow(BaseWidget *parent, bool enableCustomFrame = false);
+    explicit BaseWindow(QWidget *parent = nullptr, bool enableCustomFrame = false);
+
+    QWidget *getLayoutContainer();
+    bool hasCustomWindowFrame();
+    void addTitleBarButton(const QString &text);
 
 protected:
 #ifdef USEWINSDK
+    virtual void showEvent(QShowEvent *);
     virtual bool nativeEvent(const QByteArray &eventType, void *message, long *result) override;
+    virtual void paintEvent(QPaintEvent *event) override;
 #endif
 
     virtual void changeEvent(QEvent *) override;
     virtual void leaveEvent(QEvent *) override;
 
+    virtual void refreshTheme() override;
+
 private:
     void init();
+
+    bool enableCustomFrame;
+
+    QHBoxLayout *titlebarBox;
+    QWidget *titleLabel;
+    QWidget *minButton;
+    QWidget *maxButton;
+    QWidget *exitButton;
+    QWidget *layoutBase;
+    std::vector<QWidget *> widgets;
 };
 }  // namespace widgets
 }  // namespace chatterino
diff --git a/src/widgets/helper/rippleeffectlabel.hpp b/src/widgets/helper/rippleeffectlabel.hpp
index 430793f58..4e1f47800 100644
--- a/src/widgets/helper/rippleeffectlabel.hpp
+++ b/src/widgets/helper/rippleeffectlabel.hpp
@@ -15,7 +15,7 @@ namespace widgets {
 class RippleEffectLabel : public RippleEffectButton
 {
 public:
-    explicit RippleEffectLabel(BaseWidget *parent, int spacing = 6);
+    explicit RippleEffectLabel(BaseWidget *parent = nullptr, int spacing = 6);
 
     SignalLabel &getLabel()
     {
diff --git a/src/widgets/notebook.cpp b/src/widgets/notebook.cpp
index 2321e0887..c204e5d0f 100644
--- a/src/widgets/notebook.cpp
+++ b/src/widgets/notebook.cpp
@@ -24,6 +24,7 @@ namespace widgets {
 
 Notebook::Notebook(Window *parent, bool _showButtons, const std::string &settingPrefix)
     : BaseWidget(parent)
+    , parentWindow(parent)
     , settingRoot(fS("{}/notebook", settingPrefix))
     , addButton(this)
     , settingsButton(this)
@@ -196,14 +197,15 @@ void Notebook::performLayout(bool animated)
 
     int x = 0, y = 0;
     float scale = this->getDpiMultiplier();
+    bool customFrame = this->parentWindow->hasCustomWindowFrame();
 
-    if (!showButtons || settings.hidePreferencesButton) {
+    if (!this->showButtons || settings.hidePreferencesButton || customFrame) {
         this->settingsButton.hide();
     } else {
         this->settingsButton.show();
         x += settingsButton.width();
     }
-    if (!showButtons || settings.hideUserButton) {
+    if (!this->showButtons || settings.hideUserButton || customFrame) {
         this->userButton.hide();
     } else {
         this->userButton.move(x, 0);
@@ -211,7 +213,8 @@ void Notebook::performLayout(bool animated)
         x += userButton.width();
     }
 
-    if (!showButtons || (settings.hideUserButton && settings.hidePreferencesButton)) {
+    if (customFrame || !this->showButtons ||
+        (settings.hideUserButton && settings.hidePreferencesButton)) {
         x += (int)(scale * 2);
     }
 
diff --git a/src/widgets/notebook.hpp b/src/widgets/notebook.hpp
index b0b9a1551..8cbe3bc85 100644
--- a/src/widgets/notebook.hpp
+++ b/src/widgets/notebook.hpp
@@ -57,6 +57,8 @@ public slots:
     void addPageButtonClicked();
 
 private:
+    Window *parentWindow;
+
     QList<SplitContainer *> pages;
 
     NotebookButton addButton;
diff --git a/src/widgets/window.cpp b/src/widgets/window.cpp
index 805c88c70..ba78195b3 100644
--- a/src/widgets/window.cpp
+++ b/src/widgets/window.cpp
@@ -18,7 +18,7 @@ namespace widgets {
 
 Window::Window(const QString &windowName, singletons::ThemeManager &_themeManager,
                bool _isMainWindow)
-    : BaseWindow(_themeManager, nullptr)
+    : BaseWindow(_themeManager, nullptr, true)
     , settingRoot(fS("/windows/{}", windowName))
     , windowGeometry(this->settingRoot)
     , dpi(this->getDpiMultiplier())
@@ -34,6 +34,11 @@ Window::Window(const QString &windowName, singletons::ThemeManager &_themeManage
             }
         });
 
+    if (this->hasCustomWindowFrame()) {
+        this->addTitleBarButton("Preferences");
+        this->addTitleBarButton("User");
+    }
+
     QVBoxLayout *layout = new QVBoxLayout(this);
 
     // add titlebar
@@ -42,7 +47,7 @@ Window::Window(const QString &windowName, singletons::ThemeManager &_themeManage
     //    }
 
     layout->addWidget(&this->notebook);
-    setLayout(layout);
+    this->getLayoutContainer()->setLayout(layout);
 
     // set margin
     //    if (SettingsManager::getInstance().useCustomWindowFrame.get()) {
@@ -139,14 +144,6 @@ void Window::closeEvent(QCloseEvent *)
     this->closed();
 }
 
-void Window::refreshTheme()
-{
-    QPalette palette;
-    palette.setColor(QPalette::Background,
-                     this->themeManager.tabs.regular.backgrounds.regular.color());
-    this->setPalette(palette);
-}
-
 void Window::loadGeometry()
 {
     bool doSetGeometry = false;
diff --git a/src/widgets/window.hpp b/src/widgets/window.hpp
index c8c91cb92..475eff728 100644
--- a/src/widgets/window.hpp
+++ b/src/widgets/window.hpp
@@ -63,8 +63,6 @@ private:
 
     float dpi;
 
-    virtual void refreshTheme() override;
-
     void loadGeometry();
 
     Notebook notebook;