docs: Redesigned the index page of the ndnSIM website
diff --git a/docs/ns3_html_theme/static/ns3_stylesheet.css b/docs/ns3_html_theme/static/ns3_stylesheet.css
index fb55460..1c2a4fc 100644
--- a/docs/ns3_html_theme/static/ns3_stylesheet.css
+++ b/docs/ns3_html_theme/static/ns3_stylesheet.css
@@ -2,7 +2,7 @@
 
 body, table, div, p, dl {
     font-family: Lucida Grande, Verdana, Geneva, Arial, sans-serif;
-    font-size: 12px;
+    font-size: 12pt;
     color: black;
 }
 
@@ -28,7 +28,7 @@
 
 /* Doxygen side bar */
 #nav-tree {
-    font-size: 12px;
+    font-size: 12pt;
 }
 
 #nav-tree a {
@@ -46,7 +46,7 @@
 
 div.related a {
     color: #91A501;
-    font-size: 14px;
+    font-size: 14pt;
     font-weight: bold;
 }
 
@@ -66,7 +66,7 @@
 
 /* Sphinx side bar */
 div.sphinxsidebar {
-    font-size: 12px;
+    font-size: 12pt;
 }
 
 div.sphinxsidebar a {
@@ -133,4 +133,4 @@
 .red {
     color: red;
     font-weight: bold;
-}
\ No newline at end of file
+}