diff --git a/src/renderer/html_handlebars/helpers/toc.rs b/src/renderer/html_handlebars/helpers/toc.rs
index c7cc074a..3fb7b904 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.matches(".").count()
+                s.len() / 2
             } else {
                 1
             };
diff --git a/src/theme/_FontAwesome/fonts/FontAwesome.otf b/src/theme/_FontAwesome/fonts/FontAwesome.otf
index 7860788d..681bdd4d 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 e6532ae8..d7994e13 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 54c9033f..6fd4ede0 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 9e01a19f..a5b1aa16 100644
Binary files a/src/theme/favicon.png and b/src/theme/favicon.png differ