diff --git a/src/controls/RoundImageButton.qml b/src/controls/RoundImageButton.qml
index 4ebe23d..275a127 100644
--- a/src/controls/RoundImageButton.qml
+++ b/src/controls/RoundImageButton.qml
@@ -30,6 +30,8 @@ Item {
     height: size
     width: size
 
+    property alias background: _background
+    property color backgroundColor: "transparent"
     property color hoveredColor: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.backgroundColor, 2)
                                                    : Qt.darker(FishUI.Theme.backgroundColor, 1.2)
     property color pressedColor: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.backgroundColor, 1.5)
@@ -39,11 +41,11 @@ Item {
     signal clicked()
 
     Rectangle {
-        id: background
+        id: _background
         anchors.fill: parent
         anchors.margins: size * 0.1
         radius: control.height / 2
-        color: mouseArea.pressed ? pressedColor : mouseArea.containsMouse ? control.hoveredColor : "transparent"
+        color: mouseArea.pressed ? pressedColor : mouseArea.containsMouse ? control.hoveredColor : control.backgroundColor
     }
 
     MouseArea {
diff --git a/src/controls/Window.qml b/src/controls/Window.qml
index 584fb75..40e9f04 100644
--- a/src/controls/Window.qml
+++ b/src/controls/Window.qml
@@ -36,6 +36,7 @@ Window {
     default property alias content : _content.data
     property alias background: _background
     property alias header: _header
+    property alias headerBackground: _headerBackground
     property Item headerItem
 
     // Window helper
@@ -234,11 +235,17 @@ Window {
             anchors.left: parent.left
             anchors.right: parent.right
             anchors.top: parent.top
-            height: 40
+            height: 35
 
-            property int buttonSize: 32
+            property int buttonSize: 31
             property int spacing: (_header.height - _header.buttonSize) / 2
 
+            Rectangle {
+                id: _headerBackground
+                anchors.fill: parent
+                color: "transparent"
+            }
+
             TapHandler {
                 enabled: !control.isFullScreen
                 onTapped: if (tapCount === 2) toggleMaximized()
diff --git a/src/controls/qmldir b/src/controls/qmldir
index f9d0107..ac5d1b1 100644
--- a/src/controls/qmldir
+++ b/src/controls/qmldir
@@ -14,10 +14,11 @@ singleton Units 1.0 Units.qml
 
 ActionTextField 1.0 ActionTextField
 BusyIndicator 1.0 BusyIndicator.qml
+DesktopMenu 1.0 DesktopMenu.qml
+Dialog 1.0 Dialog.qml
 Icon 1.0 Icon.qml
 PopupTips 1.0 PopupTips.qml
 RoundedRect 1.0 RoundedRect.qml
 Window 1.0 Window.qml
-WindowButton 1.0 WindowButton.qml
+RoundImageButton 1.0 RoundImageButton.qml
 Toast 1.0 Toast.qml
-DesktopMenu 1.0 DesktopMenu.qml
diff --git a/src/fish-style/Slider.qml b/src/fish-style/Slider.qml
index 86246cf..c527191 100644
--- a/src/fish-style/Slider.qml
+++ b/src/fish-style/Slider.qml
@@ -9,7 +9,7 @@ T.Slider {
     property int sliderTrackHeight: 5
 
     implicitWidth: background.implicitWidth
-    implicitHeight: background.implicitHeight
+    implicitHeight: 22
     snapMode: T.Slider.SnapOnRelease
 
     handle: Rectangle {
@@ -17,7 +17,7 @@ T.Slider {
         x: control.leftPadding + (control.horizontal ? control.visualPosition * (control.availableWidth - width) : (control.availableWidth - width) / 2)
         y: control.topPadding + (control.horizontal ? (control.availableHeight - height) / 2 : control.visualPosition * (control.availableHeight - height))
 
-        width: 26
+        width: control.implicitHeight
         height: width
         radius: width / 2
         opacity: 1
@@ -38,8 +38,8 @@ T.Slider {
     }
 
     background: Item {
-        implicitWidth: control.horizontal ? 200 : 16
-        implicitHeight: control.horizontal ? 16 : 200
+        implicitWidth: control.horizontal ? 200 : control.implicitHeight
+        implicitHeight: control.horizontal ? control.implicitHeight : 200
 
         x: control.leftPadding + (control.horizontal ? 0 : (control.availableWidth - width) / 2)
         y: control.topPadding + (control.horizontal ? (control.availableHeight - height) / 2 : 0)
diff --git a/src/platforms/linux/blurhelper/windowblur.cpp b/src/platforms/linux/blurhelper/windowblur.cpp
index 903bd48..4a88578 100644
--- a/src/platforms/linux/blurhelper/windowblur.cpp
+++ b/src/platforms/linux/blurhelper/windowblur.cpp
@@ -131,7 +131,7 @@ void WindowBlur::updateBlur()
     if (m_enabled) {
         qreal devicePixelRatio = m_view->screen()->devicePixelRatio();
         QPainterPath path;
-        path.addRoundedRect(QRect(QPoint(0, 0), m_view->size() * devicePixelRatio),
+        path.addRoundedRect(QRectF(QPoint(0, 0), m_view->size() * devicePixelRatio),
                             m_windowRadius * devicePixelRatio,
                             m_windowRadius * devicePixelRatio);
         QVector<uint32_t> data;