Made reddit sidebar sticky.

reddit-hide-sidebar/index.js

 // ==UserScript==
 // @name         old.reddit hide sidebar
 // @namespace    http://hugo.hornquist.se
-// @version      1.2.1
+// @version      1.2.2
 // @description  Adds toggle to hide Reddit sidebar
 // @author       hugo@lysator.liu.se
 // @match        https://*.reddit.com/*
@@ -18,18 +18,32 @@
 
 	let btn = document.createElement('button');
 	let div = document.createElement('div');
+	let inner = document.createElement('div')
 	div.style = `
 	position: absolute;
 	z-index: 100;
 	left: -2em;
 	width: 2em;
-	height: 2em;
-	display: grid;
+	height: 100%;
 	top: 0;
 	padding: 0;
 	`
 
-	div.appendChild(btn);
+	inner.style = `
+	position: sticky;
+	top: 0;
+	height: 2em;
+	`
+
+	btn.style = `
+	width: 100%;
+	height: 100%;
+	display: grid;
+	place-items: center;
+	`
+
+	inner.appendChild(btn)
+	div.appendChild(inner);
 
 	let sidebar = document.getElementsByClassName('side')[0];
 	sidebar.appendChild(div);