diff --git a/portprotonqt/main_window.py b/portprotonqt/main_window.py
index 66c1f70..2153923 100644
--- a/portprotonqt/main_window.py
+++ b/portprotonqt/main_window.py
@@ -972,7 +972,7 @@ class MainWindow(QMainWindow):
 
         # 5. Fullscreen setting for application
         self.fullscreenCheckBox = QCheckBox(_("Launch Application in Fullscreen"))
-        #self.fullscreenCheckBox.setStyleSheet(self.theme.SETTINGS_CHECKBOX_STYLE)
+        self.fullscreenCheckBox.setStyleSheet(self.theme.SETTINGS_CHECKBOX_STYLE)
         self.fullscreenCheckBox.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
         self.fullscreenTitle = QLabel(_("Application Fullscreen Mode:"))
         self.fullscreenTitle.setStyleSheet(self.theme.PARAMS_TITLE_STYLE)
@@ -984,6 +984,7 @@ class MainWindow(QMainWindow):
         # 6. Automatic fullscreen on gamepad connection
         self.autoFullscreenGamepadCheckBox = QCheckBox(_("Auto Fullscreen on Gamepad connected"))
         self.autoFullscreenGamepadCheckBox.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
+        self.autoFullscreenGamepadCheckBox.setStyleSheet(self.theme.SETTINGS_CHECKBOX_STYLE)
         self.autoFullscreenGamepadTitle = QLabel(_("Auto Fullscreen on Gamepad connected:"))
         self.autoFullscreenGamepadTitle.setStyleSheet(self.theme.PARAMS_TITLE_STYLE)
         self.autoFullscreenGamepadTitle.setFocusPolicy(Qt.FocusPolicy.NoFocus)
diff --git a/portprotonqt/system_overlay.py b/portprotonqt/system_overlay.py
index f62bb10..80b64f9 100644
--- a/portprotonqt/system_overlay.py
+++ b/portprotonqt/system_overlay.py
@@ -22,35 +22,35 @@ class SystemOverlay(QDialog):
 
         # Reboot button
         reboot_button = QPushButton(_("Reboot"))
-        #reboot_button.setStyleSheet(self.theme.ACTION_BUTTON_STYLE)
+        reboot_button.setStyleSheet(self.theme.OVERLAY_BUTTON_STYLE)
         reboot_button.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
         reboot_button.clicked.connect(self.reboot)
         layout.addWidget(reboot_button)
 
         # Shutdown button
         shutdown_button = QPushButton(_("Shutdown"))
-        #shutdown_button.setStyleSheet(self.theme.ACTION_BUTTON_STYLE)
+        shutdown_button.setStyleSheet(self.theme.OVERLAY_BUTTON_STYLE)
         shutdown_button.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
         shutdown_button.clicked.connect(self.shutdown)
         layout.addWidget(shutdown_button)
 
         # Suspend button
         suspend_button = QPushButton(_("Suspend"))
-        #suspend_button.setStyleSheet(self.theme.ACTION_BUTTON_STYLE)
+        suspend_button.setStyleSheet(self.theme.OVERLAY_BUTTON_STYLE)
         suspend_button.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
         suspend_button.clicked.connect(self.suspend)
         layout.addWidget(suspend_button)
 
         # Exit application button
         exit_button = QPushButton(_("Exit Application"))
-        #exit_button.setStyleSheet(self.theme.ACTION_BUTTON_STYLE)
+        exit_button.setStyleSheet(self.theme.OVERLAY_BUTTON_STYLE)
         exit_button.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
         exit_button.clicked.connect(self.exit_application)
         layout.addWidget(exit_button)
 
         # Cancel button
         cancel_button = QPushButton(_("Cancel"))
-        #cancel_button.setStyleSheet(self.theme.ACTION_BUTTON_STYLE)
+        cancel_button.setStyleSheet(self.theme.OVERLAY_BUTTON_STYLE)
         cancel_button.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
         cancel_button.clicked.connect(self.reject)
         layout.addWidget(cancel_button)
diff --git a/portprotonqt/themes/standart/styles.py b/portprotonqt/themes/standart/styles.py
index f353ff8..1467e6b 100644
--- a/portprotonqt/themes/standart/styles.py
+++ b/portprotonqt/themes/standart/styles.py
@@ -90,6 +90,13 @@ SEARCH_EDIT_STYLE = """
     }
 """
 
+SETTINGS_CHECKBOX_STYLE = """
+    QCheckBox:focus {
+            border: 2px solid #409EFF;
+            background: #404554;
+        }
+"""
+
 # ОТКЛЮЧАЕМ РАМКУ У QScrollArea
 SCROLL_AREA_STYLE = """
     QWidget {
@@ -206,6 +213,28 @@ ACTION_BUTTON_STYLE = """
     }
 """
 
+# СТИЛЬ КНОПОК ОВЕРЛЕЯ
+OVERLAY_BUTTON_STYLE = """
+    QPushButton {
+        background: #3f424d;
+        border: 1px solid rgba(255, 255, 255, 0.20);
+        border-radius: 10px;
+        color: #ffffff;
+        font-size: 16px;
+        font-family: 'Play';
+    }
+    QPushButton:hover {
+        background: #282a33;
+    }
+    QPushButton:pressed {
+        background: #282a33;
+    }
+    QPushButton:focus {
+        border: 2px solid #409EFF;
+        background-color: #404554;
+    }
+"""
+
 # ТЕКСТОВЫЕ СТИЛИ: ЗАГОЛОВКИ И ОСНОВНОЙ КОНТЕНТ
 TAB_TITLE_STYLE = "font-family: 'Play'; font-size: 24px; color: #ffffff; background-color: none;"
 CONTENT_STYLE = """