diff --git a/src/qml/Config.qml b/src/qml/Config.qml
--- a/src/qml/Config.qml
+++ b/src/qml/Config.qml
@@ -7,10 +7,10 @@
 
 GridView {
     id: view
-    readonly property real delegateWidth: Kirigami.Units.gridUnit*4
-    readonly property int columnCount: Math.floor(width/delegateWidth)
-    cellWidth: width/columnCount
-    cellHeight: cellWidth
+    readonly property int columnCount: 3
+    cellWidth: Math.floor(width / columnCount)
+    cellHeight: cellWidth * 3/4
+
 
     model: ListModel {
         ListElement { filters: "identity" }
@@ -50,30 +50,41 @@
         ListElement { filters: "coloreffects preset=xray" }
     }
 
-    delegate: MouseArea {
+    delegate: Rectangle {
+        readonly property int borderWidth: 2
         id: delegateItem
-        width:  GridView.view.cellHeight
-        height: GridView.view.cellWidth
 
-        VideoItem {
-            anchors.fill: parent
+        width: Math.floor(view.width / columnCount) - Kirigami.Units.smallSpacing
+        height: width * 3/4
 
-            PipelineItem {
-                id: pipe
+        color: Kirigami.Theme.textColor
 
-                playing: false
-                onFailed: {
-                    delegateItem.visible = false
-                    view.model.remove(index)
-                }
+        MouseArea {
+            anchors.centerIn: parent
+
+            width:  delegateItem.width - (borderWidth * 2)
+            height: delegateItem.height - (borderWidth * 2)
+
+            VideoItem {
+                anchors.fill: parent
+
+                PipelineItem {
+                    id: pipe
 
-                description: "filesrc location=\"" + webcam.sampleImage + "\" ! decodebin ! imagefreeze ! videoconvert ! " + model.filters + " name=last"
+                    playing: false
+                    onFailed: {
+                        delegateItem.visible = false
+                        view.model.remove(index)
+                    }
+
+                    description: "filesrc location=\"" + webcam.sampleImage + "\" ! decodebin ! imagefreeze ! videoconvert ! " + model.filters + " name=last"
+                }
+                surface: pipe.surface
             }
-            surface: pipe.surface
-        }
 
-        onClicked: {
-            devicesModel.playingDevice.filters = model.filters
+            onClicked: {
+                devicesModel.playingDevice.filters = model.filters
+            }
         }
     }
 }
diff --git a/src/qml/Main.qml b/src/qml/Main.qml
--- a/src/qml/Main.qml
+++ b/src/qml/Main.qml
@@ -149,21 +149,25 @@
         modal: true
         width: Kirigami.Units.gridUnit * 20
 
-        leftPadding: 0
-        topPadding: 0
-        rightPadding: 0
-        bottomPadding: 0
+        leftPadding: Kirigami.Units.smallSpacing
+        topPadding: Kirigami.Units.smallSpacing
+        rightPadding: Kirigami.Units.smallSpacing
+        bottomPadding: Kirigami.Units.smallSpacing
 
         contentItem: Config {
             id: configView
 
             QQC2.ScrollBar.vertical: QQC2.ScrollBar {}
 
-            header: Kirigami.Heading {
-                level: 1
-                color: Kirigami.Theme.textColor
-                elide: Text.ElideRight
-                text: i18n("Effects Gallery")
+            header: QQC2.Control {
+                height: effectsGalleryHeading.height + Kirigami.Units.largeSpacing
+                Kirigami.Heading {
+                    id: effectsGalleryHeading
+                    level: 1
+                    color: Kirigami.Theme.textColor
+                    elide: Text.ElideRight
+                    text: i18n("Effects Gallery")
+                }
             }
         }
     }