diff --git a/sidebar/package/contents/ui/CategoriesPage.qml b/sidebar/package/contents/ui/CategoriesPage.qml
--- a/sidebar/package/contents/ui/CategoriesPage.qml
+++ b/sidebar/package/contents/ui/CategoriesPage.qml
@@ -84,7 +84,6 @@
             }
         }
         Kirigami.Separator {
-            visible: !categoryView.atYBeginning
             anchors {
                 left: parent.left
                 right: parent.right
diff --git a/sidebar/package/contents/ui/SubCategoryPage.qml b/sidebar/package/contents/ui/SubCategoryPage.qml
--- a/sidebar/package/contents/ui/SubCategoryPage.qml
+++ b/sidebar/package/contents/ui/SubCategoryPage.qml
@@ -33,19 +33,22 @@
         Accessible.role: Accessible.Button
         Accessible.name: i18n("Back")
 
-        Item {
+        Rectangle {
             id: headerControls
+            color: applicationWindow().wideScreen ? Kirigami.Theme.backgroundColor : Kirigami.Theme.viewBackgroundColor
 
             anchors.fill: parent
 
-            QtControls.ToolButton {
+            QtControls.Button {
                 id: backButton
                 anchors.fill: parent
+                anchors.margins: 5
                 visible: !applicationWindow().wideScreen
                 onClicked: root.pageStack.currentIndex = 0;
 
                 RowLayout {
                     anchors.fill: parent
+                    anchors.leftMargin: 5
 
                     Kirigami.Icon {
                         id: toolButtonIcon
@@ -76,13 +79,12 @@
                 text: subCategoryColumn.title
                 elide: Text.ElideRight
                 visible: !backButton.visible
-                opacity: 0.3
                 //FIXME: QtControls bug, why?
                 Component.onCompleted: font.bold = true
             }
         }
         Kirigami.Separator {
-            visible: !subCategoryView.atYBeginning
+            visible: applicationWindow().wideScreen
             anchors {
                 left: parent.left
                 right: parent.right