diff --git a/docs/assets/bootstrap.zip b/docs/assets/bootstrap.zip
index 300737ac49..fed424c466 100644
Binary files a/docs/assets/bootstrap.zip and b/docs/assets/bootstrap.zip differ
diff --git a/docs/assets/css/bootstrap-responsive.css b/docs/assets/css/bootstrap-responsive.css
index 8fe389563a..f00ec1de36 100644
--- a/docs/assets/css/bootstrap-responsive.css
+++ b/docs/assets/css/bootstrap-responsive.css
@@ -374,6 +374,7 @@
   .nav-collapse {
     overflow: hidden;
     height: 0;
+    -webkit-transform: translate3d(0, 0, 0);
   }
 }
 @media (min-width: 940px) {
diff --git a/less/responsive.less b/less/responsive.less
index e9920251ea..2956254386 100644
--- a/less/responsive.less
+++ b/less/responsive.less
@@ -278,6 +278,7 @@
   .nav-collapse {
     overflow: hidden;
     height: 0;
+    -webkit-transform: translate3d(0, 0, 0); // activate the GPU
   }
 }
 
@@ -304,7 +305,7 @@
 
   // Fluid grid
   #fluidGridSystem > .generate(12, 5.982905983%, 2.564102564%);
-  
+
   // Input grid
   #inputGridSystem > .generate(12, 70px, 30px);