diff --git a/src/components/Header.astro b/src/components/Header.astro
index 2f6b06c..f261fb7 100644
--- a/src/components/Header.astro
+++ b/src/components/Header.astro
@@ -16,6 +16,10 @@ const isActive = (href: string)=>{
     return href === pathname || href === pathname.split('/').slice(0,2).join('/');
 }
 
+function handleMenu(e) {
+  console.log(e);
+}
+
 ---
 
 <header>
@@ -34,8 +38,25 @@ const isActive = (href: string)=>{
       </ul>
     </div>
     <div class="right">
-      <div class="search"><p>Search TODO</p></div>
-      <btn class="menu"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></btn>
+        <div class="search"><p>Search TODO</p></div>
+        <btn id="menu">
+            <span></span>
+            <span></span>
+            <span></span>
+        </btn>
     </div>
   </nav>
-</header>
\ No newline at end of file
+</header>
+<script>
+    const btn = document.querySelector('#menu');
+
+    btn.addEventListener('click', () => {
+        btn.classList.toggle('open');
+        document.querySelectorAll('.sidebar').forEach(sidebar=>{
+            sidebar.classList.toggle('active');
+        })
+    });
+</script>
+<style>
+    
+</style>
\ No newline at end of file
diff --git a/src/components/TableOfContents.astro b/src/components/TableOfContents.astro
index d634610..d4b7991 100644
--- a/src/components/TableOfContents.astro
+++ b/src/components/TableOfContents.astro
@@ -3,12 +3,10 @@
 import TableOfContentsHeading from "./TableOfContentsHeading.astro";
 import TocItem from '../utils/generateToc.ts';
 const { headings, edit } = Astro.props;
-import { REPOSITORY, edit_page } from "../config";
+import { REPOSITORY } from "../config";
 
 const toc = headings && headings.length ? TocItem(headings) : [];
 
-console.log(edit);
-
 ---
 
 <section class="toc">
@@ -23,19 +21,12 @@ console.log(edit);
 </section>
 <style is:inline>
     .toc {
-        position: fixed;
         width: calc(var(--sidebar-width) - 2rem);
-        height: fit-content;
-        overflow-y: auto;
-        max-height: calc(100vh - var(--nav-height) - 2rem * 2);
-        inset-block: 0;
-        inset-inline-end: 2rem;
-        margin-top: calc(2rem + var(--nav-height));
-        margin-bottom: 2rem;
-        border-radius: 1em;
-        background-color: var(--secondary-background);
+        height: 100%;
+        overflow-y: scroll;
+        /* max-height: 80%; */
+        /* inset-block: 0; */
         transition: 0.3s;
-        z-index: 10;
     }
     
     .toc .container {
@@ -67,12 +58,12 @@ console.log(edit);
     }
 
     @media only screen and (max-width: 750px) {
-        .toc {
+        /* .toc {
             margin-top: var(--nav-height);
             margin-bottom: 0;
             inset-inline-start: 0;
             inset-inline-end: unset;
             transform: translateX(-100%);
-        }
+        } */
     }
 </style>
\ No newline at end of file
diff --git a/src/layouts/Collections.astro b/src/layouts/Collections.astro
index d9f518a..7eefd78 100644
--- a/src/layouts/Collections.astro
+++ b/src/layouts/Collections.astro
@@ -35,6 +35,11 @@ const isActive = (href: string)=>{
 <Layout title={frontmatter.title}>
     <div class="wrapper">
         <section class="sidebar">
+            {(headings && headings.length) ? (
+                <aside id="toc">
+                    <TableOfContents headings={headings} />
+                </aside>
+            ) : ''}
             <div class="container">
                 {items.length ? (
                     <summary>
@@ -50,15 +55,17 @@ const isActive = (href: string)=>{
         </section>
         <div class="main">
             <div class="content">
-                <aside id="toc">
-                    <TableOfContents headings={headings} edit={'src/content' + pathname + '.md'} />
-                </aside>
+                <!-- {headings && (
+                    <aside id="toc">
+                        <TableOfContents headings={headings} />
+                    </aside>
+                )} -->
                 <div class="markdown-body">
                     <h1>{frontmatter.title}</h1>
                     <h3><Fragment set:html={description}/></h3>
                     <slot/>
                     {!noedit && (
-                        <hr>
+                        <hr/>
                         <a class="edit" href={`https://github.com/${REPOSITORY}/tree/master/src/content${pathname}.mdx`} target="_blank">{EDIT_PAGE}</a>
                     )}
                 </div>
@@ -68,24 +75,29 @@ const isActive = (href: string)=>{
     <style>
         .wrapper {
             display: flex;
-            /* max-width: 1000px; */
         }
         
         .wrapper .sidebar {
             position: fixed;
             width: var(--sidebar-width);
-            height: 100vh;
+            height: 100%;
+            max-height: calc(100% - var(--nav-height));
             overflow-y: auto;
             inset-block: 0;
             inset-inline-start: 0;
+            margin-top: var(--nav-height);
+            padding-bottom: var(--nav-height);
             /* padding: 20px; */
-            padding-top: var(--nav-height);
+            // padding: var(--nav-height) 0;
             background-color: var(--secondary-background);
             transition: 0.3s;
+            z-index: 10;
         }
-
+        
         .wrapper .sidebar .container {
+            position: relative;
             padding: 1rem 1rem 0;
+            // height: calc(100vh - var(--nav-height)*2);
         }
 
         .wrapper .sidebar summary .title {
@@ -148,23 +160,42 @@ const isActive = (href: string)=>{
             margin: 1rem;
         }
 
-        .wrapper .main aside {
-            display: flex;
-            align-items: center;
-            order: 2;
-            width: fit-content;
-            max-width: 25%;
-            margin: 0 auto;
-        }
-
         .wrapper .markdown-body {
             // padding: 10px 20px;
             width: 100%;
         }
 
         .wrapper #toc {
-            display: flex;
-            flex-direction: column;
+            position: fixed;
+            width: calc(var(--sidebar-width) - 2rem);
+            height: fit-content;
+            max-height: calc(100vh - var(--nav-height)*2 - 2rem * 2);
+            inset-block: 0;
+            inset-inline-end: 2rem;
+            margin: calc(2rem + var(--nav-height)) 0;
+            // background-color: var(--secondary-background);
+            transition: 0.3s;
+            z-index: 10;
+            overflow-y: auto;
+            border-radius: 1em;
+            background-color: var(--secondary-background);
+        }
+
+        @media only screen and (max-width: 1000px) {
+            .wrapper #toc {
+                position: relative;
+                width: var(--sidebar-width);
+                max-height: unset;
+                inset-block: unset;
+                inset-inline-end: unset;
+                margin-top: 0;
+                z-index: 1;
+                background-color: transparent;
+            }
+
+            .wrapper .main {
+                padding-inline-end: unset;
+            }
         }
 
         @media only screen and (max-width: 750px) {
@@ -172,9 +203,13 @@ const isActive = (href: string)=>{
                 transform: translateX(-100%);
             }
 
+            .wrapper .sidebar.active {
+                transform: translateX(0);
+            }
+
+
             .wrapper .main {
                 padding-inline-start: unset;
-                padding-inline-end: unset;
             }
         }
     </style>
diff --git a/src/layouts/Markdown.astro b/src/layouts/Markdown.astro
index 82abbf7..beface2 100644
--- a/src/layouts/Markdown.astro
+++ b/src/layouts/Markdown.astro
@@ -17,13 +17,15 @@ const description = await markdown.parse(frontmatter.description);
 
 <Layout title={frontmatter.title}>
     <div class="wrapper">
+        <section class="sidebar">
+            {headings && (
+                <aside id="toc">
+                    <TableOfContents headings={headings} />
+                </aside>
+            )}
+        </section>
         <div class="main">
             <div class="content">
-                {headings && (
-                    <aside class="toc">
-                        <TableOfContents headings={headings} />
-                    </aside>
-                )}
                 <div class="markdown-body">
                     <h1>{frontmatter.title}</h1>
                     <h3><Fragment set:html={description}/></h3>
@@ -50,32 +52,75 @@ const description = await markdown.parse(frontmatter.description);
             margin: 1rem;
         }
 
-        .wrapper .main aside {
-            display: flex;
-            align-items: center;
-            order: 2;
-            /* max-width: 25%; */
-            margin: 0 auto;
-        }
-
         .wrapper .markdown-body {
             /* margin: 10px 20px; */
             /* max-width: 75%; */
             max-width: 100%;
         }
 
-        .wrapper .toc {
-            display: flex;
-            flex-direction: column;
+        .wrapper #toc {
+            position: fixed;
+            width: calc(var(--sidebar-width) - 2rem);
+            height: fit-content;
+            max-height: calc(100vh - var(--nav-height)*2 - 2rem * 2);
+            inset-block: 0;
+            inset-inline-end: 2rem;
+            margin: calc(2rem + var(--nav-height)) 0;
+            background-color: var(--secondary-background);
+            transition: 0.3s;
+            z-index: 10;
+            overflow-y: auto;
+            border-radius: 1em;
+            background-color: var(--secondary-background);
+        }
+
+        @media only screen and (max-width: 1000px) {
+            .wrapper .sidebar {
+                position: fixed;
+                width: var(--sidebar-width);
+                height: 100%;
+                max-height: calc(100% - var(--nav-height));
+                overflow-y: auto;
+                inset-block: 0;
+                inset-inline-start: 0;
+                margin-top: var(--nav-height);
+                padding-bottom: var(--nav-height);
+                /* padding: 20px; */
+                // padding: var(--nav-height) 0;
+                background-color: var(--secondary-background);
+                transition: 0.3s;
+                z-index: 10;
+            }
+
+            .wrapper #toc {
+                position: relative;
+                width: var(--sidebar-width);
+                max-height: unset;
+                inset-block: unset;
+                inset-inline-end: unset;
+                margin-top: 0;
+                z-index: 1;
+                background-color: transparent;
+            }
+
+            .wrapper .main {
+                width: 100%;
+                padding-inline-start: var(--sidebar-width);
+            }
         }
 
         @media only screen and (max-width: 750px) {
             .wrapper .sidebar {
-                transform: translateX(-80%);
+                transform: translateX(-100%);
+            }
+
+            .wrapper .sidebar.active {
+                transform: translateX(0);
             }
 
             .wrapper .main {
-                padding-inline-start: calc(400px * 0.2);
+                width: 100%;
+                padding-inline-start: 0;
             }
         }
     </style>
diff --git a/src/styles/Header.css b/src/styles/Header.css
index b57875a..956b169 100644
--- a/src/styles/Header.css
+++ b/src/styles/Header.css
@@ -41,17 +41,74 @@ header ul li:hover a {
     list-style: none;
 }
 
-header .right .menu {
+header .right #menu {
     display: none;
+    cursor: pointer;
 }
 
-@media only screen and (max-width: 600px) {
+#menu {
+    flex-direction: column;
+    /* justify-content: space-between; */
+    justify-content: center;
+    width: 2rem;
+    height: 1.5rem;
+    position: relative;
+    /* margin: 50px auto; */
+    -webkit-transition: .5s ease-in-out;
+    -moz-transition: .5s ease-in-out;
+    -o-transition: .5s ease-in-out;
+    transition: .5s ease-in-out;
+    cursor: pointer;
+    /*   border:1px solid red; */
+}
+
+#menu span {
+    display: block;
+    position: absolute;
+    height: 3px;
+    width: 100%;
+    background: var(--header-text);
+    border-radius: 9px;
+    opacity: 1;
+    left: 0;
+    transform: rotate(0deg);
+    transition: .2s ease-in-out;
+    /*   border:4px solid black; */
+}
+
+#menu span:nth-child(1) {
+    top: 0;
+}
+
+#menu span:nth-child(3) {
+    bottom: 0;
+}
+
+#menu.open span:nth-child(1) {
+    top: 50%;
+    transform: translateY(-50%);
+    transform: rotate(45deg);
+}
+
+#menu.open span:nth-child(2) {
+    width: 0;
+    left: 50%;
+    transform: translateX(-50%);
+}
+
+#menu.open span:nth-child(3) {
+    top: 50%;
+    transform: translateY(-50%);
+    transform: rotate(-45deg);
+}
+
+@media only screen and (max-width: 750px) {
     header .left ul, header  .right .search {
         display: none;
     }
 
-    header .right .menu {
-        display: block;
-        width: 25px;
+    header .right #menu {
+        display: flex;
+        /* width: 25px; */
     }
 }
\ No newline at end of file
diff --git a/src/styles/global.scss b/src/styles/global.scss
index 04a6385..3333ec2 100644
--- a/src/styles/global.scss
+++ b/src/styles/global.scss
@@ -30,6 +30,12 @@
     }
 }
 
+@media only screen and (max-width: 750px) {
+    :root {
+        --sidebar-width: 80vw;
+    }
+}
+
 * {
     margin: 0;
     box-sizing: border-box;