In Pangong we provided you three type of menu style first one in Vertical navigation.
<!-- HK Wrapper -->
<div class="hk-wrapper hk-vertical-nav">
......
......
<!-- Vertical Nav -->
<nav class="hk-nav hk-nav-dark">
<a href="javascript:void(0);" id="hk_nav_close" class="hk-nav-close"><span class="feather-icon"><i data-feather="x"></i></span></a>
<div class="nicescroll-bar">
<div class="navbar-nav-wrap">
<ul class="navbar-nav flex-column">
<li class="nav-item active">
<a class="nav-link" href="javascript:void(0);" data-toggle="collapse" data-target="#dash_drp">
<span class="feather-icon"><i data-feather="activity"></i></span>
<span class="nav-link-text">Dashboard</span>
</a>
<ul id="dash_drp" class="nav flex-column collapse collapse-level-1">
<li class="nav-item">
<ul class="nav flex-column">
<li class="nav-item">
<a class="nav-link" href="index.html">CRM</a>
</li>
<li class="nav-item">
<a class="nav-link" href="index2.html">Project</a>
</li>
<li class="nav-item active">
<a class="nav-link" href="index3.html">Statistics</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="nav-item">
<a class="nav-link link-with-badge" href="javascript:void(0);" data-toggle="collapse" data-target="#app_drp">
<span class="feather-icon"><i data-feather="package"></i></span>
<span class="nav-link-text">Application</span>
<span class="badge badge-primary badge-pill">3</span>
</a>
<ul id="app_drp" class="nav flex-column collapse collapse-level-1">
<li class="nav-item">
<ul class="nav flex-column">
<li class="nav-item">
<a class="nav-link" href="chats.html">Chat</a>
</li>
<li class="nav-item">
<a class="nav-link" href="calendar.html">Calendar</a>
</li>
<li class="nav-item">
<a class="nav-link" href="email.html">Email</a>
</li>
</ul>
</li>
</ul>
</li>
....
....
<li class="nav-item">
....
</li>
<li class="nav-item">
....
</li>
</ul>
<hr class="nav-separator">
....
<ul class="navbar-nav flex-column">
<li class="nav-item">
....
</li>
<li class="nav-item">
<a class="nav-link" href="https://hencework.ticksy.com/" target="_blank">
<span class="feather-icon"><i data-feather="headphones"></i></span>
<span class="nav-link-text">Support</span>
</a>
</li>
</ul>
</div>
</div>
</nav>
<div id="hk_nav_backdrop" class="hk-nav-backdrop"></div>
<!-- /Vertical Nav -->