diff --git a/src/renderer/html_handlebars/helpers/toc.rs b/src/renderer/html_handlebars/helpers/toc.rs
index 3fb7b904..c7cc074a 100644
--- a/src/renderer/html_handlebars/helpers/toc.rs
+++ b/src/renderer/html_handlebars/helpers/toc.rs
@@ -33,7 +33,7 @@ impl HelperDef for RenderToc {
             }
 
             let level = if let Some(s) = item.get("section") {
-                s.len() / 2
+                s.matches(".").count()
             } else {
                 1
             };
diff --git a/src/theme/_FontAwesome/fonts/FontAwesome.otf b/src/theme/_FontAwesome/fonts/FontAwesome.otf
index 681bdd4d..7860788d 100644
Binary files a/src/theme/_FontAwesome/fonts/FontAwesome.otf and b/src/theme/_FontAwesome/fonts/FontAwesome.otf differ
diff --git a/src/theme/_FontAwesome/fonts/fontawesome-webfont.ttf b/src/theme/_FontAwesome/fonts/fontawesome-webfont.ttf
index d7994e13..e6532ae8 100644
Binary files a/src/theme/_FontAwesome/fonts/fontawesome-webfont.ttf and b/src/theme/_FontAwesome/fonts/fontawesome-webfont.ttf differ
diff --git a/src/theme/_FontAwesome/fonts/fontawesome-webfont.woff b/src/theme/_FontAwesome/fonts/fontawesome-webfont.woff
index 6fd4ede0..54c9033f 100644
Binary files a/src/theme/_FontAwesome/fonts/fontawesome-webfont.woff and b/src/theme/_FontAwesome/fonts/fontawesome-webfont.woff differ
diff --git a/src/theme/favicon.png b/src/theme/favicon.png
index a5b1aa16..9e01a19f 100644
Binary files a/src/theme/favicon.png and b/src/theme/favicon.png differ