diff --git a/IPython/html/static/notebook/less/kernelselector.less b/IPython/html/static/notebook/less/kernelselector.less
index fd263ee..1b5821f 100644
--- a/IPython/html/static/notebook/less/kernelselector.less
+++ b/IPython/html/static/notebook/less/kernelselector.less
@@ -3,4 +3,5 @@ span#kernel_selector_widget {
     margin-top: 12px;
     margin-right: 1em;
     font-size: 120%;
+    position: relative;
 }
diff --git a/IPython/html/static/style/style.min.css b/IPython/html/static/style/style.min.css
index 2cf16d5..ced0d11 100644
--- a/IPython/html/static/style/style.min.css
+++ b/IPython/html/static/style/style.min.css
@@ -9441,6 +9441,7 @@ span#kernel_selector_widget {
   margin-top: 12px;
   margin-right: 1em;
   font-size: 120%;
+  position: relative;
 }
 #menubar {
   margin-top: 0px;