diff --git a/install.sh b/install.sh
index f22be9b4..3c7d0347 100755
--- a/install.sh
+++ b/install.sh
@@ -509,9 +509,7 @@ theme_tweaks() {
 }
 
 uninstall_link() {
-  [[ -L "${HOME}/.config/gtk-4.0/assets" ]] && rm -rf "${HOME}/.config/gtk-4.0/assets" && echo -e "\nUninstall ${HOME}/.config/gtk-4.0/assets link ..."
-  [[ -L "${HOME}/.config/gtk-4.0/gtk.css" ]] && rm -rf "${HOME}/.config/gtk-4.0/gtk.css" && echo -e "Uninstall ${HOME}/.config/gtk-4.0/gtk.css link ..."
-  [[ -L "${HOME}/.config/gtk-4.0/gtk-dark.css" ]] && rm -rf "${HOME}/.config/gtk-4.0/gtk-dark.css" && echo -e "Uninstall ${HOME}/.config/gtk-4.0/gtk-dark.css link ..."
+  rm -rf "${HOME}/.config/gtk-4.0/"{assets,windows-assets,gtk.css,gtk-dark.css} && echo -e "\nUninstall ${HOME}/.config/gtk-4.0 links ..."
 }
 
 link_libadwaita() {
diff --git a/src/sass/gtk/_common-3.0.scss b/src/sass/gtk/_common-3.0.scss
index 9c7f6782..d61becc6 100644
--- a/src/sass/gtk/_common-3.0.scss
+++ b/src/sass/gtk/_common-3.0.scss
@@ -1052,6 +1052,11 @@ toolbar {
   border-width: 0 1px 1px;
   border-color: $divider;
   background-color: $base-alt;
+
+  .frame & {
+    border-width: 1px 0 0;
+    background-color: transparent;
+  }
 }
 
 searchbar > revealer > box,
@@ -1311,6 +1316,11 @@ searchbar > revealer > box {
     padding: $space-size $space-size * 2;
     border-radius: $window-radius $window-radius 0 0;
     box-shadow: inset 0 1px highlight($titlebar);
+    background-color: $titlebar;
+
+    &:backdrop {
+      background-color: $titlebar-backdrop;
+    }
 
     .tiled &,
     .maximized &,
@@ -1631,14 +1641,11 @@ menubar,
 
   &:backdrop {
     color: $titlebar-text-secondary;
+    background-color: $titlebar-backdrop;
   }
 
   .csd & {
     transition: $transition;
-
-    &:backdrop {
-      background-color: $titlebar-backdrop;
-    }
   }
 
   > menuitem {
@@ -1903,16 +1910,22 @@ notebook {
     border-radius: $modal-radius + $space-size;
   }
 
-  &.frame frame {
-    > border {
+  &.frame {
+    scrolledwindow.frame {
       border: none;
-      border-radius: $modal-radius;
     }
 
-    > list {
-      // @extend %circular_list;
+    frame {
+      > border {
+        border: none;
+        border-radius: $modal-radius;
+      }
 
-      row.activatable { border-radius: $corner-radius; }
+      > list {
+        // @extend %circular_list;
+
+        row.activatable { border-radius: $corner-radius; }
+      }
     }
   }
 
@@ -2405,7 +2418,7 @@ treeview.view {
     padding: 0;
     margin: 0;
 
-    &:not(:hover):not(:disabled):not(:checked):not(:indeterminate) {
+    &:not(:disabled):not(:checked):not(:indeterminate) {
       background-color: $divider;
     }
 
@@ -2414,7 +2427,7 @@ treeview.view {
     }
   }
 
-  &:selected, &:selected:focus {
+  &, &:hover, &:selected {
     radio, check {
       &:checked, &:indeterminate {
         background-color: $assets-color;
@@ -3651,7 +3664,6 @@ colorchooser .popover.osd {
 decoration {
   transition: $transition-shadow;
   border-radius: $window-radius;
-  // background-color: $background;
 
   @if $rimless == 'true' {
     box-shadow: $shadow-z16, 0 0 36px transparent;
diff --git a/src/sass/gtk/_common-4.0.scss b/src/sass/gtk/_common-4.0.scss
index 7c66d0a3..2c41c758 100644
--- a/src/sass/gtk/_common-4.0.scss
+++ b/src/sass/gtk/_common-4.0.scss
@@ -1625,7 +1625,7 @@ headerbar {
     }
   }
 
-  popover.background { // reset popover
+  popover.background { // reset popovers
     button:not(.suggested-action):not(.destructive-action):not(.flat) {
       @extend %button-basic;
     }
@@ -1639,6 +1639,15 @@ headerbar {
     }
 
     entry { @extend %entry-basic; }
+
+    entry,
+    spinbutton,
+    button,
+    menubutton,
+    stackswitcher {
+      margin-top: 0;
+      margin-bottom: 0;
+    }
   }
 
   separator:not(.sidebar) {
@@ -2051,11 +2060,13 @@ popover.menu {
 /************
  * Popovers *
  ************/
-popover.background {
-  font: initial;
+popover {
+  &.background {
+    font: initial;
 
-  &, &:backdrop {
-    background-color: transparent;
+    &, &:backdrop {
+      background-color: transparent;
+    }
   }
 
   > arrow,
@@ -2074,14 +2085,6 @@ popover.background {
       background-clip: border-box;
       box-shadow: 0 0 0 1px $window-border, $shadow-z5;
     }
-
-    &:backdrop {
-      @if $rimless == 'true' {
-        box-shadow: $shadow-z3;
-      } @else {
-        box-shadow: $shadow-z3, 0 0 0 1px $window-border;
-      }
-    }
   }
 
   @if $rimless == 'false' and $variant == 'light' {
@@ -2490,8 +2493,8 @@ tabbar {
     }
 
     > separator {
-      margin-top: 9px;
-      margin-bottom: 9px;
+      margin: 9px 0;
+      min-width: 1px;
       transition: opacity 150ms ease-in-out;
 
       &.hidden {
@@ -2501,6 +2504,7 @@ tabbar {
 
     > tabboxchild {
       margin: 0 -3px;
+      padding: 0;
 
       > tab {
         @extend %tabs_tab;
@@ -4743,12 +4747,32 @@ colorchooser .popover.osd {
  **********************/
 window {
   border: none;
-  transition: $transition-shadow;
 
   &.csd {
     border-radius: $window-radius;
     outline-offset: -1px;
     outline: 1px solid highlight($background);
+    margin: 0;
+
+    @if $rimless == 'true' {
+      box-shadow: $shadow-z16, 0 0 36px transparent;
+    } @else {
+      box-shadow: $shadow-z16, 0 0 0 1px $window-border, 0 0 36px transparent;
+    }
+
+    &:backdrop {
+      // the transparent shadow here is to enforce that the shadow extents don't
+      // change when we go to backdrop, to prevent jumping windows.
+      // The biggest shadow should be in the same order then in the active state
+      // or the jumping will happen during the transition.
+      transition: $transition-shadow;
+
+      @if $rimless == 'true' {
+        box-shadow: $shadow-z4, 0 0 36px transparent;
+      } @else {
+        box-shadow: $shadow-z4, 0 0 0 1px $window-border, 0 0 36px transparent;
+      }
+    }
 
     &.maximized,
     &.fullscreen,
@@ -4756,24 +4780,9 @@ window {
     &.tiled-top,
     &.tiled-right,
     &.tiled-bottom,
-    &.tiled-left { border-radius: 0; }
-  }
-
-  @if $rimless == 'true' {
-    box-shadow: $shadow-z16, 0 0 36px transparent;
-  } @else {
-    box-shadow: $shadow-z16, 0 0 0 1px $window-border, 0 0 36px transparent;
-  }
-
-  &:backdrop {
-    // the transparent shadow here is to enforce that the shadow extents don't
-    // change when we go to backdrop, to prevent jumping windows.
-    // The biggest shadow should be in the same order then in the active state
-    // or the jumping will happen during the transition.
-    @if $rimless == 'true' {
-      box-shadow: $shadow-z4, 0 0 36px transparent;
-    } @else {
-      box-shadow: $shadow-z4, 0 0 0 1px $window-border, 0 0 36px transparent;
+    &.tiled-left {
+      border-radius: 0;
+      transition: none;
     }
   }
 
@@ -4927,7 +4936,7 @@ 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 1322ef43..5d7ec66a 100644
--- a/src/sass/gtk/apps/_gnome-4.0.scss
+++ b/src/sass/gtk/apps/_gnome-4.0.scss
@@ -98,12 +98,20 @@ window.dialog {
 // Calculator
 //
 
-.history-view { background-color: $base; }
+.display-container {
+  &.card {
+    border-radius: 0;
+    box-shadow: none;
+    border-width: 0 0 1px 0;
+  }
 
-.sourceview {
-  padding: 0 12px 8px 0;
-  font-size: 1.4em;
-  border-top: 1px solid $border;
+  .history-view { background-color: $base; }
+
+  #displayitem {
+    padding: 0 12px 8px 0;
+    font-size: 1.4em;
+    border-top: 1px solid $border;
+  }
 }
 
 .math-buttons button {
@@ -116,19 +124,6 @@ window.dialog {
   }
 }
 
-.small .card {
-  border-radius: 0;
-  box-shadow: none;
-
-  &.forecast-card {
-    border-width: 1px 0;
-  }
-
-  &.display-container {
-    border-width: 0 0 1px 0;
-  }
-}
-
 leaflet {
   button.number-button {
     background-color: rgba($text, 0.1);
@@ -1127,11 +1122,10 @@ window > contents > leaflet { // Gnome control center
 // Gnome Weather
 //
 
-@define-color weather_temp_chart_fill_color: #{rgba(248, 228, 92, 0.5)};
-@define-color weather_temp_chart_stroke_color: #{rgba(246, 211, 45, 1.0)};
-
-@define-color weather_thermometer_warm_color: #{if($variant == 'light', $yellow-dark, $yellow-light)};
-@define-color weather_thermometer_cold_color: #{if($variant == 'light', $blue-dark, $blue-light)};
+@define-color weather_temp_chart_fill_color #{rgba($warning, 0.5)};
+@define-color weather_temp_chart_stroke_color #{darken($warning, 10%)};
+@define-color weather_thermometer_warm_color #{if($variant == 'light', $yellow-dark, $yellow-light)};
+@define-color weather_thermometer_cold_color #{if($variant == 'light', $blue-dark, $blue-light)};
 
 $weather_thermometer_high_color: $yellow-light;
 $weather_thermometer_low_color: $blue-light;
@@ -1166,6 +1160,7 @@ $weather_forecast_color: #ae7b03;
 .forecast-card {
   transition: border-radius 100ms ease-out;
   border-radius: $corner-radius;
+  border-width: 1px 0;
 }
 
 .forecast-card separator {
@@ -1484,11 +1479,3 @@ window.dialog {
     }
   }
 }
-
-window.aboutdialog {
-  stack scrolledwindow.frame > {
-    &, viewport.view {
-      border-radius: $window-radius - $space-size;
-    }
-  }
-}
diff --git a/src/sass/gtk/apps/_xfce.scss b/src/sass/gtk/apps/_xfce.scss
index 47a885e9..18ad045d 100644
--- a/src/sass/gtk/apps/_xfce.scss
+++ b/src/sass/gtk/apps/_xfce.scss
@@ -46,6 +46,16 @@ wnck-pager {
   &:selected { background-color: $primary; }
 }
 
+#xfce4-mpc-plugin-26 {
+  > frame > border {
+    border: none;
+  }
+}
+
+#xfce-panel-button {
+  -gtk-icon-style: symbolic;
+}
+
 XfdesktopIconView.view {
   border-radius: $corner-radius;
   background-color: transparent;