diff --git a/website/content/menu/index.md b/website/content/menu/index.md
index 9240299d..7aed329b 100644
--- a/website/content/menu/index.md
+++ b/website/content/menu/index.md
@@ -4,21 +4,244 @@ headless: true
 
 <hr>
 
-- [**Example Site**]({{< relref "/docs/example" >}})
-- [Table of Contents]({{< relref "/docs/example/table-of-contents" >}})
-  - [With ToC]({{< relref "/docs/example/table-of-contents/with-toc" >}})
-  - [Without ToC]({{< relref "/docs/example/table-of-contents/without-toc" >}})
-- [Collapsed]({{< relref "/docs/example/collapsed" >}})
-  - [3rd]({{< relref "/docs/example/collapsed/3rd-level" >}})
-    - [4th]({{< relref "/docs/example/collapsed/3rd-level/4th-level" >}})
-<br />
+- [第一章 序章]({{< relref "/docs/example" >}})
+  - [1.1 关于作者]({{< relref "../../Algorithms/0001. Two Sum/README.md" >}})
+  - [1.2 预备知识]({{< relref "/docs/example/table-of-contents/with-toc" >}})
+- [第二章 算法专题]({{< relref "/docs/example" >}})
+  - [2.1 Array]({{< relref "/docs/example/table-of-contents/with-toc" >}})
+  - [2.2 String]({{< relref "/docs/example/table-of-contents/with-toc" >}})
+  - [2.3 Two Pointers]({{< relref "/docs/example/table-of-contents/with-toc" >}})
+  - [2.4 Linked List]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.5 Stack]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.6 Tree]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.7 Dynamic programming]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.8 Backtracking]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.9 Depth-first search]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.10 Breadth-first Search]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.11 Binary Search]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.12 Math]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.13 Hash Table]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.14 Sort]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.15 Bit Manipulation]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.16 Union Find]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.17 Sliding Window]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.18 Segment Tree]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [2.19 Binary Indexed Tree]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+- [第三章 一些模板]({{< relref "/docs/example" >}})
+  - [3.1 Segment Tree]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [3.2 UnionFind]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+- [第四章 Leetcode 题解]({{< relref "/docs/example" >}})
+  - [4.1 No.1 - No.100]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0002. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0003. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0004. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0005. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0006. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0007. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0008. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0009. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0010. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0011. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0012. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0013. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0014. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0015. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0016. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0020. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0030. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0040. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0050. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0002. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0003. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0004. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0005. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0006. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0007. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0008. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0009. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0060. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0011. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0012. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0013. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0014. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0015. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0016. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0070. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0080. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0090. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0100. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [4.2 No.101 - No.200]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0002. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0003. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0004. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0005. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0006. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0007. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0008. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0009. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0010. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0011. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0012. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0013. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0014. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0015. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0016. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0020. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0030. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0040. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0050. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0002. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0003. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0004. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0005. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0006. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0007. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0008. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0009. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0060. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0011. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0012. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0013. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0014. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0015. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0016. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0070. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0080. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0090. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0001. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+    - [0100. Two Sum]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [4.3 No.201 - No.300]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [4.4 No.301 - No.400]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [4.5 No.401 - No.500]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [4.6 No.501 - No.600]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [4.7 No.601 - No.700]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [4.8 No.701 - No.800]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [4.9 No.801 - No.900]({{< relref "/docs/example/table-of-contents/without-toc" >}}) 
+  - [4.10 No.901 - No.1000]({{< relref "/docs/example/table-of-contents/without-toc" >}}) 
+  - [4.11 No.1001 - No.1100]({{< relref "/docs/example/table-of-contents/without-toc" >}})
+  - [4.12 No.1101 - No.1200]({{< relref "/docs/example/table-of-contents/without-toc" >}})
 
-- **Shortcodes**
-- [Buttons]({{< relref "/docs/shortcodes/buttons" >}})
-- [Columns]({{< relref "/docs/shortcodes/columns" >}})
-- [Expand]({{< relref "/docs/shortcodes/expand" >}})
-- [Hints]({{< relref "/docs/shortcodes/hints" >}})
-- [Katex]({{< relref "/docs/shortcodes/katex" >}})
-- [Mermaid]({{< relref "/docs/shortcodes/mermaid" >}})
-- [Tabs]({{< relref "/docs/shortcodes/tabs" >}})
 <br />