diff --git a/IPython/html/static/notebook/less/notebook.less b/IPython/html/static/notebook/less/notebook.less
index 5029729..5f73696 100644
--- a/IPython/html/static/notebook/less/notebook.less
+++ b/IPython/html/static/notebook/less/notebook.less
@@ -8,12 +8,14 @@
 
 #ipython-main-app {
     .border-box-sizing();
+    height: 100%;
 }
 
 div#notebook_panel {
     margin: 0px;
     padding: 0px;
     .border-box-sizing();
+    height: 100%;
 }
 
 #notebook {
@@ -27,6 +29,7 @@ div#notebook_panel {
     margin: 0px;
     outline: none;
     .border-box-sizing();
+    min-height: 100%;
 }
 
 #notebook-container{
diff --git a/IPython/html/static/style/style.min.css b/IPython/html/static/style/style.min.css
index 29c7837..13cda70 100644
--- a/IPython/html/static/style/style.min.css
+++ b/IPython/html/static/style/style.min.css
@@ -10358,6 +10358,7 @@ h6:hover .anchor-link {
   box-sizing: border-box;
   -moz-box-sizing: border-box;
   -webkit-box-sizing: border-box;
+  height: 100%;
 }
 div#notebook_panel {
   margin: 0px;
@@ -10365,6 +10366,7 @@ div#notebook_panel {
   box-sizing: border-box;
   -moz-box-sizing: border-box;
   -webkit-box-sizing: border-box;
+  height: 100%;
 }
 #notebook {
   font-size: 14px;
@@ -10379,6 +10381,7 @@ div#notebook_panel {
   box-sizing: border-box;
   -moz-box-sizing: border-box;
   -webkit-box-sizing: border-box;
+  min-height: 100%;
 }
 @media not print {
   #notebook-container {