diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index eba96cb30..67b0bd18e 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -4896,6 +4896,9 @@ a.list-group-item.active > .badge,
      -moz-transition: width 0.6s ease;
        -o-transition: width 0.6s ease;
           transition: width 0.6s ease;
+  -webkit-backface-visibility: hidden;
+     -moz-backface-visibility: hidden;
+          backface-visibility: hidden;
 }
 
 .progress-striped .progress-bar {
diff --git a/less/grid.less b/less/grid.less
index a39d38b2e..6de993c2a 100644
--- a/less/grid.less
+++ b/less/grid.less
@@ -31,7 +31,7 @@
 .generate-grid-columns(@grid-columns);
 
 // Then generate the larger grid classes via media query
-@media screen and (min-width: 768px) {
+@media screen and (min-width: @screen-small) {
   .generate-large-grid-columns(@grid-columns);
 }
 
diff --git a/less/progress-bars.less b/less/progress-bars.less
index 9df0251e3..e5e6b65a5 100644
--- a/less/progress-bars.less
+++ b/less/progress-bars.less
@@ -63,6 +63,7 @@
   background-color: @progress-bar-bg;
   .box-shadow(inset 0 -1px 0 rgba(0,0,0,.15));
   .transition(width .6s ease);
+  .backface-visibility(hidden);
 }
 
 // Striped bars