diff --git a/yardang/custom.css b/yardang/custom.css
index fb31e0a..fa97cc5 100644
--- a/yardang/custom.css
+++ b/yardang/custom.css
@@ -1,10 +1,13 @@
 /* Wide main page */
 .content {
-    flex: 1;
+    flex: 3;
 }
 aside.sidebar-drawer {
     width: unset;
 }
+aside.toc-drawer {
+    flex: 1;
+}
 
 /* Left-align tables */
 article table.align-default {