diff --git a/IPython/frontend/html/notebook/static/notebook/less/renderedhtml.less b/IPython/frontend/html/notebook/static/notebook/less/renderedhtml.less
index e706c5d..db327b0 100644
--- a/IPython/frontend/html/notebook/static/notebook/less/renderedhtml.less
+++ b/IPython/frontend/html/notebook/static/notebook/less/renderedhtml.less
@@ -31,6 +31,14 @@
         margin: 1em 2em;
     }
 
+	pre, code {
+		border:				0;
+		background-color:	@bodyBackground;
+		color: 				@textColor;
+		font-size:			100%;
+		padding:			0px;
+	}
+
     blockquote {
         margin: 1em 2em;
     }
diff --git a/IPython/frontend/html/notebook/static/style/style.min.css b/IPython/frontend/html/notebook/static/style/style.min.css
index e207c96..e8fe2b7 100644
--- a/IPython/frontend/html/notebook/static/style/style.min.css
+++ b/IPython/frontend/html/notebook/static/style/style.min.css
@@ -1026,6 +1026,7 @@ div#pager{padding:15px;overflow:auto;display:none;}div#pager pre{font-size:13px;
 .rendered_html ol ol ol ol ol{list-style:decimal;margin:0em 2em;}
 .rendered_html hr{color:black;background-color:black;}
 .rendered_html pre{margin:1em 2em;}
+.rendered_html pre,.rendered_html code{border:0;background-color:#ffffff;color:#000000;font-size:100%;padding:0px;}
 .rendered_html blockquote{margin:1em 2em;}
 .rendered_html table,.rendered_html tr,.rendered_html th,.rendered_html td{border:1px solid black;border-collapse:collapse;margin:1em 2em;}
 .rendered_html td,.rendered_html th{text-align:left;vertical-align:middle;padding:4px;}