diff --git a/IPython/frontend/html/notebook/static/css/notebook.css b/IPython/frontend/html/notebook/static/css/notebook.css
index b8cf127..b1d9214 100644
--- a/IPython/frontend/html/notebook/static/css/notebook.css
+++ b/IPython/frontend/html/notebook/static/css/notebook.css
@@ -198,6 +198,8 @@ div.input {
 div.input_area {
     color: black;
     border: 1px solid #ddd;
+    border-radius: 3px;
+    background: #fafafa;
 }
 
 div.input_prompt {