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Filter Scroll for Amazon

Makes the little Amazon filter thing follow you and scroll on it's own. I spent too long on this.

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// ==UserScript==
// @name         Filter Scroll for Amazon
// @namespace    https://cbass92.org/
// @version      1.0
// @description  Makes the little Amazon filter thing follow you and scroll on it's own. I spent too long on this.
// @author       Cbass92
// @match        https://www.amazon.com/s*
// @grant        none
// @license MIT
// ==/UserScript==
    let element = document.getElementsByClassName('sg-col-inner');
    element[element.length - 1].style.position = "fixed";
    element[element.length - 1].style.overflowY = "auto";