diff --git a/common/gtk-3.0/3.16/_common.scss b/common/gtk-3.0/3.16/_common.scss
index d2b0d66..ecc78ad 100644
--- a/common/gtk-3.0/3.16/_common.scss
+++ b/common/gtk-3.0/3.16/_common.scss
@@ -1887,6 +1887,7 @@ $_scrollbar_bg_color: darken($base_color, 1%);
 GtkSwitch {
   font: 1;
   -GtkSwitch-slider-width: 41;
+  outline-color: transparent;
 
   &.trough, &.slider {
     background-size: 52px 24px;
diff --git a/common/gtk-3.0/3.16/gtk-contained-dark.css b/common/gtk-3.0/3.16/gtk-contained-dark.css
index fdb1132..4f6fc7c 100644
--- a/common/gtk-3.0/3.16/gtk-contained-dark.css
+++ b/common/gtk-3.0/3.16/gtk-contained-dark.css
@@ -1488,7 +1488,8 @@ column-header .button, column-header .button:hover, column-header .button:active
  **********/
 GtkSwitch {
   font: 1;
-  -GtkSwitch-slider-width: 41; }
+  -GtkSwitch-slider-width: 41;
+  outline-color: transparent; }
   GtkSwitch.trough, GtkSwitch.slider {
     background-size: 52px 24px;
     background-repeat: no-repeat;
diff --git a/common/gtk-3.0/3.16/gtk-contained-darker.css b/common/gtk-3.0/3.16/gtk-contained-darker.css
index faf2afc..3e4b6d6 100644
--- a/common/gtk-3.0/3.16/gtk-contained-darker.css
+++ b/common/gtk-3.0/3.16/gtk-contained-darker.css
@@ -1489,7 +1489,8 @@ column-header .button, column-header .button:hover, column-header .button:active
  **********/
 GtkSwitch {
   font: 1;
-  -GtkSwitch-slider-width: 41; }
+  -GtkSwitch-slider-width: 41;
+  outline-color: transparent; }
   GtkSwitch.trough, GtkSwitch.slider {
     background-size: 52px 24px;
     background-repeat: no-repeat;
diff --git a/common/gtk-3.0/3.16/gtk-contained-solid-dark.css b/common/gtk-3.0/3.16/gtk-contained-solid-dark.css
index 63b8859..5ad1cf0 100644
--- a/common/gtk-3.0/3.16/gtk-contained-solid-dark.css
+++ b/common/gtk-3.0/3.16/gtk-contained-solid-dark.css
@@ -1488,7 +1488,8 @@ column-header .button, column-header .button:hover, column-header .button:active
  **********/
 GtkSwitch {
   font: 1;
-  -GtkSwitch-slider-width: 41; }
+  -GtkSwitch-slider-width: 41;
+  outline-color: transparent; }
   GtkSwitch.trough, GtkSwitch.slider {
     background-size: 52px 24px;
     background-repeat: no-repeat;
diff --git a/common/gtk-3.0/3.16/gtk-contained-solid.css b/common/gtk-3.0/3.16/gtk-contained-solid.css
index ef97677..c818442 100644
--- a/common/gtk-3.0/3.16/gtk-contained-solid.css
+++ b/common/gtk-3.0/3.16/gtk-contained-solid.css
@@ -1488,7 +1488,8 @@ column-header .button, column-header .button:hover, column-header .button:active
  **********/
 GtkSwitch {
   font: 1;
-  -GtkSwitch-slider-width: 41; }
+  -GtkSwitch-slider-width: 41;
+  outline-color: transparent; }
   GtkSwitch.trough, GtkSwitch.slider {
     background-size: 52px 24px;
     background-repeat: no-repeat;
diff --git a/common/gtk-3.0/3.16/gtk-contained.css b/common/gtk-3.0/3.16/gtk-contained.css
index d8a5ac1..d82462e 100644
--- a/common/gtk-3.0/3.16/gtk-contained.css
+++ b/common/gtk-3.0/3.16/gtk-contained.css
@@ -1488,7 +1488,8 @@ column-header .button, column-header .button:hover, column-header .button:active
  **********/
 GtkSwitch {
   font: 1;
-  -GtkSwitch-slider-width: 41; }
+  -GtkSwitch-slider-width: 41;
+  outline-color: transparent; }
   GtkSwitch.trough, GtkSwitch.slider {
     background-size: 52px 24px;
     background-repeat: no-repeat;