diff --git a/docs/ns3_html_theme/static/ns3_stylesheet.css b/docs/ns3_html_theme/static/ns3_stylesheet.css
new file mode 100644
index 0000000..27abebc
--- /dev/null
+++ b/docs/ns3_html_theme/static/ns3_stylesheet.css
@@ -0,0 +1,122 @@
+/* ns-3 changes to the default CSS from Doxygen and Sphinx */
+
+body, table, div, p, dl {
+    font-family: Lucida Grande, Verdana, Geneva, Arial, sans-serif;
+    font-size: 12px;
+    color: black;
+}
+
+a {
+    color: #91A501;
+    font-weight: bold;
+}
+
+/* Sphinx headings */
+div.body h1,
+div.body h2,
+div.body h3,
+div.body h4,
+div.body h5,
+div.body h6 {
+    background-image: url('nav_f.png');
+}
+
+/* Doxygen side bar */
+#nav-tree {
+    font-size: 12px;
+}
+
+#nav-tree a {
+    font-weight: normal;
+}
+
+/* Sphinx nav links bar (relbar) */
+div.related {
+    background-image:url('tab_b.png')
+}
+
+div.related h3 {
+    display: none;
+}
+
+div.related a {
+    color: #91A501;
+    font-size: 14px;
+    font-weight: bold;
+}
+
+div.related li {
+    background-image: url('bc_s.png');
+    background-position: 100% 40%;
+    background-repeat: no-repeat;
+    padding-left: 10px;
+    padding-right: 15px;
+}
+
+div.related li.right {
+    background-image: none;
+    padding-left: 0px;
+    padding-right: 0px;
+}
+
+/* Sphinx side bar */
+div.sphinxsidebar {
+    font-size: 12px;
+}
+
+div.sphinxsidebar a {
+    font-weight: normal;
+}
+
+
+/* Title bar elements */
+
+#titlearea
+{
+    background-image:url('bar-top.png');
+    background-repeat:repeat;
+    border-bottom: 1px solid #5B5B5B;
+    color: white;
+}
+
+#projectlogo
+{
+    text-align: center;
+    margin: 10px;
+    vertical-align: middle;
+    width: 220px;
+    color: white;
+}
+
+#projecttext
+{
+        align: left;
+        padding-left: 2em;
+        font-color:white;
+}
+
+#projectbrief
+{
+    font: 120% Tahoma, Arial,sans-serif;
+    margin: 0px;
+    padding: 0px;
+    color: white;
+}
+
+#projectnumber
+{
+    font: 100% Tahoma, Arial,sans-serif;
+    margin: 0px;
+    padding: 0px;
+    color: white;
+}
+
+#projectsection
+{
+    text-align: right;
+    font: 24pt  Aldo, Tahoma, Arial,sans-serif;
+    margin: 10px;
+    margin-right: 10px;
+    vertical-align: middle;
+    color: white;
+}