<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!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">
<meta name="description" content="Responsive sidebar template with sliding effect and dropdown menu based on bootstrap 3">
<title>Sidebar template</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm"
crossorigin="anonymous">
<link href="https://use.fontawesome.com/releases/v5.0.6/css/all.css" rel="stylesheet">
</head>
<body>
<div class="page-wrapper chiller-theme toggled">
<a id="show-sidebar" class="btn btn-sm btn-dark" href="#">
<i class="fas fa-bars"></i>
</a>
<nav id="sidebar" class="sidebar-wrapper">
<div class="sidebar-content">
<div class="sidebar-brand">
<a href="#">pro sidebar</a>
<div id="close-sidebar">
<i class="fas fa-times"></i>
</div>
</div>
<div class="sidebar-header">
<div class="user-pic">
<img class="img-responsive img-rounded" src="https://raw.githubusercontent.com/azouaoui-med/pro-sidebar-template/gh-pages/src/img/user.jpg"