<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Cart Sidebar</title>
    <link rel="icon" href="favicon.png" type="image/png">
    <style>
        :root {
            --sidebar-width: 320px;
            --transition-duration: 0.5s;
            --sidebar-bg: #fff;
            --header-color: #333;
            --button-bg: #d0021b;
            --bu