diff --git a/docs/assets/css/docs.css b/docs/assets/css/docs.css
index ae2eeac..69543e3 100644
--- a/docs/assets/css/docs.css
+++ b/docs/assets/css/docs.css
@@ -930,7 +930,7 @@ code {
     background-image: url("../img/device-sprite.png");
     background-size: 300%;
     background-repeat: no-repeat;
-    background-position: 0;
+    background-position: 0 0;
     -webkit-transition: background-image 0.1s linear;
     -moz-transition: background-image 0.1s linear;
     transition: background-image 0.1s linear;
diff --git a/sass/docs.scss b/sass/docs.scss
index 19260af..5e740fd 100644
--- a/sass/docs.scss
+++ b/sass/docs.scss
@@ -969,7 +969,7 @@ code {
     background-image: url("../img/device-sprite.png");
     background-size: 300%;
     background-repeat: no-repeat;
-    background-position: 0;
+    background-position: 0 0;
     @include transition(background-image .1s linear);
 
     &.device-fixed {