7 files changed, 23 insertions, 0 deletions
diff --git a/common/gtk-3.0/3.20/gtk-dark.css b/common/gtk-3.0/3.20/gtk-dark.css
index c78b92f..9d77391 100644
--- a/common/gtk-3.0/3.20/gtk-dark.css
+++ b/common/gtk-3.0/3.20/gtk-dark.css
@@ -1145,6 +1145,9 @@ window.csd > .titlebar:not(headerbar):backdrop {
 .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked) {
   box-shadow: inset -1px 0 rgba(21, 23, 28, 0.37); }
 
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked) {
+  box-shadow: none; }
+
 .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(21, 23, 28, 0); }
 
diff --git a/common/gtk-3.0/3.20/gtk-darker.css b/common/gtk-3.0/3.20/gtk-darker.css
index 80cbb3a..746bd1d 100644
--- a/common/gtk-3.0/3.20/gtk-darker.css
+++ b/common/gtk-3.0/3.20/gtk-darker.css
@@ -1144,6 +1144,9 @@ window.csd > .titlebar:not(headerbar):backdrop {
 .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked) {
   box-shadow: inset -1px 0 rgba(21, 23, 28, 0.37); }
 
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked) {
+  box-shadow: none; }
+
 .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(21, 23, 28, 0); }
 
diff --git a/common/gtk-3.0/3.20/gtk-solid-dark.css b/common/gtk-3.0/3.20/gtk-solid-dark.css
index dde6b79..eb790b2 100644
--- a/common/gtk-3.0/3.20/gtk-solid-dark.css
+++ b/common/gtk-3.0/3.20/gtk-solid-dark.css
@@ -1145,6 +1145,9 @@ window.csd > .titlebar:not(headerbar):backdrop {
 .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked) {
   box-shadow: inset -1px 0 rgba(21, 23, 28, 0.4); }
 
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked) {
+  box-shadow: none; }
+
 .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(21, 23, 28, 0); }
 
diff --git a/common/gtk-3.0/3.20/gtk-solid-darker.css b/common/gtk-3.0/3.20/gtk-solid-darker.css
index 1630b26..238043c 100644
--- a/common/gtk-3.0/3.20/gtk-solid-darker.css
+++ b/common/gtk-3.0/3.20/gtk-solid-darker.css
@@ -1144,6 +1144,9 @@ window.csd > .titlebar:not(headerbar):backdrop {
 .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked) {
   box-shadow: inset -1px 0 rgba(21, 23, 28, 0.4); }
 
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked) {
+  box-shadow: none; }
+
 .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(21, 23, 28, 0); }
 
diff --git a/common/gtk-3.0/3.20/gtk-solid.css b/common/gtk-3.0/3.20/gtk-solid.css
index 78d2b05..2fa9cfe 100644
--- a/common/gtk-3.0/3.20/gtk-solid.css
+++ b/common/gtk-3.0/3.20/gtk-solid.css
@@ -1144,6 +1144,9 @@ window.csd > .titlebar:not(headerbar):backdrop {
 .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked) {
   box-shadow: inset -1px 0 rgba(82, 93, 118, 0.1); }
 
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked) {
+  box-shadow: none; }
+
 .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(82, 93, 118, 0); }
 
diff --git a/common/gtk-3.0/3.20/gtk.css b/common/gtk-3.0/3.20/gtk.css
index 62e996d..7d54389 100644
--- a/common/gtk-3.0/3.20/gtk.css
+++ b/common/gtk-3.0/3.20/gtk.css
@@ -1144,6 +1144,9 @@ window.csd > .titlebar:not(headerbar):backdrop {
 .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical).path-bar button:nth-last-child(2):not(:active):not(:checked) {
   box-shadow: inset -1px 0 rgba(82, 93, 118, 0.1); }
 
+.primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-child(2):not(:active):not(:checked), .primary-toolbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked), headerbar .linked:not(.vertical):not(.path-bar).stack-switcher button:nth-last-child(2):not(:active):not(:checked) {
+  box-shadow: none; }
+
 .primary-toolbar .linked:not(.vertical):not(.path-bar) > entry + entry, headerbar .linked:not(.vertical):not(.path-bar) > entry + entry {
   border-left-color: rgba(82, 93, 118, 0); }
 
diff --git a/common/gtk-3.0/3.20/sass/_common.scss b/common/gtk-3.0/3.20/sass/_common.scss
index dd15aa9..005b615 100644
--- a/common/gtk-3.0/3.20/sass/_common.scss
+++ b/common/gtk-3.0/3.20/sass/_common.scss
@@ -1242,6 +1242,11 @@ headerbar {
 
     @include pathbar_linking_rules($sep_color:$header_button_border);
   }
+  .linked:not(.vertical):not(.path-bar).stack-switcher {
+    button:nth-child(2):not(:active):not(:checked),
+    button:nth-last-child(2):not(:active):not(:checked) { box-shadow: none; }
+  }
+
   // use linking rules for entries only
   .linked:not(.vertical):not(.path-bar) {
     @include linking_rules( $a:0.5,