diff --git a/index.html b/index.html
index 9300dc6..04f3ed4 100644
--- a/index.html
+++ b/index.html
@@ -7,24 +7,27 @@
         <title>Jhewit | Home</title>
         <link rel="stylesheet" href="main.css" />
     </head>
-    <body>
-        <!--<div id="sider">
-            <h2>Sidebar</h2>
-            <div id="sider-cats">
-                <input type="checkbox" id="i_1" class="hidden" />
-                <label for="i_1">Category 1</label>
-                <div>
-                    <a href="#">This is a link</a><br>
-                    <a href="#">Another link</a>
-                </div><br>
-                <input type="checkbox" id="i_2" class="hidden" />
-                <label for="i_2">Category 2</label>
-                <div>
-                    <a href="#">Third link, new category</a><br>
-                    <a href="#">Links.</a>
+    <body class="sidebar-opened">
+        <div id="sider-outer">
+            <div id="sider">
+                <h2>Sidebar</h2>
+                <div id="sider-cats">
+                    <input type="checkbox" id="i_1" class="hidden" />
+                    <label for="i_1">Category 1</label>
+                    <div>
+                        <a href="#">This is a link</a><br>
+                        <a href="#">Another link</a>
+                    </div><br>
+                    <input type="checkbox" id="i_2" class="hidden" />
+                    <label for="i_2">Category 2</label>
+                    <div>
+                        <a href="#">Third link, new category</a><br>
+                        <a href="#">Links.</a>
+                    </div>
                 </div>
+                <img src="res/arrow-left.svg" onclick="toggle_sidebar()" />
             </div>
-        </div>-->
+        </div>
         <div id="outer">
             <div id="header">
                 <div id="head-marker" class="scrolly"></div>
diff --git a/main.css b/main.css
index 82be0e0..88ff29a 100644
--- a/main.css
+++ b/main.css
@@ -61,9 +61,9 @@ h1 {
 }
 
 body {
-    /*display: grid;
+    display: grid;
     grid-template-columns: var(--sidebar-size) auto;
-    grid-template-columns: var(--sidebar-size) auto;*/
+    transition: grid-template-columns 1s;
 }
 
 .dropdown, .link {
@@ -116,9 +116,9 @@ h1 {
     top: 0px;
     left: 0px;
     /*color: red;*/
-    /*margin-left: var(--sidebar-size);
-    width: calc(100vw - var(--sidebar-size));*/
-    width: 100vw;
+    margin-left: var(--sidebar-size);
+    width: calc(100vw - var(--sidebar-size));
+    /*width: 100vw;*/
 }
 
 #head-marker.scrolly-out + #headin > #links > * > *, #head-marker.scrolly-out + #headin > #links > * {
@@ -131,10 +131,46 @@ h1 {
     overflow-y: scroll;
 }
 
-#sider {
+#sider-outer {
     box-sizing: border-box;
-    padding: 20px;
     background-color: pink;
+    margin: 0px;
+    padding: 0px;
+    position: relative;
+    overflow: visible !important;
+    z-index: 1000000;
+}
+
+#sider {
+    padding: 20px;
+}
+
+body:not(.sidebar-opened) {
+    --sidebar-size: 0px;
+}
+
+body:not(.sidebar-opened) > #sider-outer > #sider {
+    box-sizing: border-box;
+    overflow: hidden;
+    padding: 0;
+    margin: 0;
+}
+
+body:not(.sidebar-opened) > #sider-outer > #sider > img {
+    /*right: none;*/
+    left: 0px;
+    padding-left: 10px;
+    background-color: red;
+    border-radius: 20px;
+    padding: 20px;
+}
+
+#sider > img {
+    position: absolute;
+    right: 10px;
+    top: 50%;
+    transform: translateY(-50%);
+    width: 20px;
 }
 
 .hidden {
@@ -241,7 +277,6 @@ h1 {
 
 .carousel-outer {
     margin-top: clamp(50px, 10vh, 100px);
-    width: 100vw;
     display: flex;
     background-color: black;
     align-items: center;
diff --git a/main.js b/main.js
index d640033..6b9bc12 100644
--- a/main.js
+++ b/main.js
@@ -95,8 +95,9 @@ function getCarousel(id) {
         },
         display() {
             var bbox = carousel.selected().getBoundingClientRect();
+            var bb2 = carousel.element.parentNode.getBoundingClientRect();
             carousel.element.scrollBy({
-                left: (bbox.left - window.innerWidth/2 + bbox.width/2),
+                left: (bbox.left - bb2.left - bb2.width/2 + bbox.width/2),
                 top: 0,
                 behavior: "smooth"
             });
@@ -110,4 +111,15 @@ function getCarousel(id) {
 var carousel_1 = getCarousel("carousel_1");
 carousel_1.display();
 
-setInterval(carousel_1.nextAnim, 2000);
\ No newline at end of file
+setInterval(carousel_1.nextAnim, 2000);
+
+function toggle_sidebar() {
+    document.body.classList.toggle("sidebar-opened");
+    var el = document.querySelector("#sider > img");
+    if (document.body.classList.contains("sidebar-opened")) {
+        el.src = "res/arrow-left.svg";
+    }
+    else {
+        el.src = "res/arrow-right.svg";
+    }
+}
\ No newline at end of file
diff --git a/src/template.html b/src/template.html
index c94171b..4cad7c9 100644
--- a/src/template.html
+++ b/src/template.html
@@ -7,24 +7,27 @@
         <title>Jhewit | Home</title>
         <link rel="stylesheet" href="main.css" />
     </head>
-    <body>
-        <!--<div id="sider">
-            <h2>Sidebar</h2>
-            <div id="sider-cats">
-                <input type="checkbox" id="i_1" class="hidden" />
-                <label for="i_1">Category 1</label>
-                <div>
-                    <a href="#">This is a link</a><br>
-                    <a href="#">Another link</a>
-                </div><br>
-                <input type="checkbox" id="i_2" class="hidden" />
-                <label for="i_2">Category 2</label>
-                <div>
-                    <a href="#">Third link, new category</a><br>
-                    <a href="#">Links.</a>
+    <body class="sidebar-opened">
+        <div id="sider-outer">
+            <div id="sider">
+                <h2>Sidebar</h2>
+                <div id="sider-cats">
+                    <input type="checkbox" id="i_1" class="hidden" />
+                    <label for="i_1">Category 1</label>
+                    <div>
+                        <a href="#">This is a link</a><br>
+                        <a href="#">Another link</a>
+                    </div><br>
+                    <input type="checkbox" id="i_2" class="hidden" />
+                    <label for="i_2">Category 2</label>
+                    <div>
+                        <a href="#">Third link, new category</a><br>
+                        <a href="#">Links.</a>
+                    </div>
                 </div>
+                <img src="res/arrow-left.svg" onclick="toggle_sidebar()" />
             </div>
-        </div>-->
+        </div>
         <div id="outer">
             <div id="header">
                 <div id="head-marker" class="scrolly"></div>
