diff --git a/IPython/html/static/base/less/page.less b/IPython/html/static/base/less/page.less
index 88acff7..ddc7d98 100644
--- a/IPython/html/static/base/less/page.less
+++ b/IPython/html/static/base/less/page.less
@@ -79,12 +79,6 @@ body {
 }
 
 #site {
-    // avoid repaints on size with translateZ(0)
-    -webkit-transform: translateZ(0);
-    -moz-transform: translateZ(0);
-    -ms-transform: translateZ(0);
-    -o-transform: translateZ(0);
-    transform: translateZ(0);
     width: 100%;
     display: none;
     .border-box-sizing();
diff --git a/IPython/html/static/style/style.min.css b/IPython/html/static/style/style.min.css
index ec11e46..c56c487 100644
--- a/IPython/html/static/style/style.min.css
+++ b/IPython/html/static/style/style.min.css
@@ -8454,11 +8454,6 @@ body {
   height: 28px;
 }
 #site {
-  -webkit-transform: translateZ(0);
-  -moz-transform: translateZ(0);
-  -ms-transform: translateZ(0);
-  -o-transform: translateZ(0);
-  transform: translateZ(0);
   width: 100%;
   display: none;
   box-sizing: border-box;