diff --git a/src/sass/gtk/_common-4.0.scss b/src/sass/gtk/_common-4.0.scss
index c888f498..bcd8392c 100644
--- a/src/sass/gtk/_common-4.0.scss
+++ b/src/sass/gtk/_common-4.0.scss
@@ -1644,8 +1644,7 @@ headerbar {
     spinbutton,
     button,
     menubutton,
-    stackswitcher,
-    separator:not(.sidebar) {
+    stackswitcher {
       margin-top: 0;
       margin-bottom: 0;
     }
@@ -4938,7 +4937,7 @@ windowcontrols {
   background-color: $primary;
 }
 
-.monospace { font-family: monospace; }
+// .monospace { font-family: monospace; }
 
 
 /**********************
diff --git a/src/sass/gtk/apps/_gnome-4.0.scss b/src/sass/gtk/apps/_gnome-4.0.scss
index fbf212ae..3010b021 100644
--- a/src/sass/gtk/apps/_gnome-4.0.scss
+++ b/src/sass/gtk/apps/_gnome-4.0.scss
@@ -98,12 +98,14 @@ window.dialog {
 // Calculator
 //
 
-.history-view { background-color: $base; }
+.display-container {
+  .history-view { background-color: $base; }
 
-.sourceview {
-  padding: 0 12px 8px 0;
-  font-size: 1.4em;
-  border-top: 1px solid $border;
+  #displayitem {
+    padding: 0 12px 8px 0;
+    font-size: 1.4em;
+    border-top: 1px solid $border;
+  }
 }
 
 .math-buttons button {