diff --git a/src/sass/gnome-shell/common/_calendar.scss b/src/sass/gnome-shell/common/_calendar.scss
index dec9c467..01c85890 100644
--- a/src/sass/gnome-shell/common/_calendar.scss
+++ b/src/sass/gnome-shell/common/_calendar.scss
@@ -5,7 +5,7 @@ $popover_bubble_bg: if($variant == 'light', rgba(white, 0.95), rgba(lighten($bas
 %popover_bubble {
   color: $alt_fg_color;
   background-color: $popover_bubble_bg;
-  border-radius: $base_border_radius !important;
+  border-radius: $bt_radius + $base_padding * 1.5 !important;
   border: none;
   box-shadow: 0 1px 2px rgba(black, 0.02) !important;
   text-shadow: none;
diff --git a/src/sass/gnome-shell/common/_ibus-popup.scss b/src/sass/gnome-shell/common/_ibus-popup.scss
index 16ee94e6..5d54d1a6 100644
--- a/src/sass/gnome-shell/common/_ibus-popup.scss
+++ b/src/sass/gnome-shell/common/_ibus-popup.scss
@@ -18,6 +18,7 @@
   margin: ($container_padding / 2) 12px 17px 12px;
   padding: $container_padding + 2px;
   spacing: $container_padding;
+  border-radius: $bt_radius + $container_padding + 2px !important;
 }
 
 .candidate-index {
@@ -29,7 +30,7 @@
 .candidate-box {
   padding: 0.3em 0.5em 0.3em 0.5em;
   margin-right: 2px;
-  border-radius: $bt_radius;
+  border-radius: $bt_radius !important;
   color: $hint_fg_color;
   &:hover { background-color: $divider_color; color: $fg_color; }
   &:active { background-color: $track_color; color: $fg_color; }
diff --git a/src/sass/gnome-shell/common/_popovers.scss b/src/sass/gnome-shell/common/_popovers.scss
index 7c9ebc09..3c9e030e 100644
--- a/src/sass/gnome-shell/common/_popovers.scss
+++ b/src/sass/gnome-shell/common/_popovers.scss
@@ -1,6 +1,6 @@
 /* Popovers/Menus */
 
-$popop_menuitem_radius: $po_radius - $base_padding;
+$popop_menuitem_radius: $po_radius - $base_padding - if($variant=='light', 0, 2px); // radius of the menu item, used in popovers
 
 //.the popover itself
 .popup-menu-boxpointer {
@@ -35,7 +35,7 @@ $popop_menuitem_radius: $po_radius - $base_padding;
       spacing: $base_spacing * 4;
       padding-top: 12px;
       padding-bottom: 12px;
-      border-radius: $popop_menuitem_radius * 2;
+      border-radius: $popop_menuitem_radius * 2 !important;
       margin: 0 12px;
 
       &:ltr { padding-right: 4em; padding-left: 0; }
@@ -51,7 +51,7 @@ $popop_menuitem_radius: $po_radius - $base_padding;
       margin: 0 6px;
 
       .popup-menu-item {
-        border-radius: $popop_menuitem_radius * 2;
+        border-radius: $popop_menuitem_radius * 2 !important;
       }
     }
 
diff --git a/src/sass/gnome-shell/widgets-48-0/_message-list.scss b/src/sass/gnome-shell/widgets-48-0/_message-list.scss
index 6a327e29..469454b0 100644
--- a/src/sass/gnome-shell/widgets-48-0/_message-list.scss
+++ b/src/sass/gnome-shell/widgets-48-0/_message-list.scss
@@ -127,13 +127,13 @@ $card_bg_color: if($variant == 'light', mix(white, $bg_color, 95%), lighten($bas
   }
 
   &:second-in-stack {
-    background-color: if($variant == 'light', darken($card_bg_color, 3%), darken($card_bg_color, 2%));
+    background-color: if($variant == 'light', darken($card_bg_color, 3%), darken($card_bg_color, 3%));
     box-shadow: 0 1px 2px rgba(black, 0.05);
   }
 
   &:lower-in-stack {
-    background-color: if($variant == 'light', darken($card_bg_color, 5%), darken($card_bg_color, 4%));
-    box-shadow: 0 1px 2px rgba(black, 0.01);
+    background-color: if($variant == 'light', darken($card_bg_color, 6%), darken($card_bg_color, 6%));
+    box-shadow: none;
     border-color: transparent; // a not ideal workaround for light theme
   }