diff --git a/css/kobalt.css b/css/kobalt.css
index c764d76..8253b22 100644
--- a/css/kobalt.css
+++ b/css/kobalt.css
@@ -1,3 +1,8 @@
+code {
+    background-color: #ffffff;
+    font-size: 100%;
+}
+
 #table-of-contents {
     border: solid 1px #cccccc;
     border-radius: 10px;
@@ -5,16 +10,27 @@
 
 .toc-item-0 {
     margin-top: 10px;
-    font-size: 120%;
+    font-size: 130%;
     font-weight: bold;
     padding: 2px;
 }
 
 .toc-item-1 {
     padding: 2px;
+    font-size: 120%;
+}
+
+.toc-item-2 {
+    font-size: 110%;
 }
 
 .toc-item a:hover {
+    -moz-border-radius-topleft: 5px;
+    -moz-border-radius-topright: 5px;
+    -moz-border-radius-bottomright: 5px;
+    -moz-border-radius-bottomleft: 5px;
+    -webkit-border-radius: 5px;
+    border-radius: 5px;
     text-decoration: none;
     background: #48D1CC;
     display: block;