diff --git a/css/article.less b/css/article.less
index e86a1b1..3393875 100644
--- a/css/article.less
+++ b/css/article.less
@@ -44,7 +44,7 @@
 	font-size:3em;
 }
 
-.toc .level2 .li {
+.toc .level2 .li, .toc .level3 .li, .toc .level4 .li, .toc .level5 .li {
 	text-align: inherit !important; 
 	font-size: 1em;
 }