My mcgraphics.us/indexNew.html
nav dropdown & hamburger are not working. Help please.
<nav class="navbar navbar-expand-lg navbar-dark pb-lg-0 pt-lg-0 position-sticky">
<div class="container">
<a href="#graphic" target="_pg_blank" class="link-primary">Graphic & Web Design</a>
<ul class="align-items-lg-center flex-row ms-auto me-2 me-lg-0 navbar-nav order-lg-2">
<li class="d-none d-sm-block nav-item">
</li>
<li class="ms-2 nav-item">
</li>
</ul>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNavDropdown-3" aria-controls="navbarNavDropdown-3" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse " id="navbarNavDropdown-3">
<ul class="navbar-nav ">
<li class="nav-item">
<a class="nav-link pb-lg-4 pe-lg-3 ps-lg-3 pt-lg-4 text-dark" href="#graphic">Layout & Design</a>
</li>
<li class="nav-item dropdown">
<ul class="dropdown-menu" aria-labelledby="navbarDropdown">
<li>
<a class="dropdown-item" href="https://amzn.to/2OCHayV">My Amazon History Tees </a>
</li>
<li>
<a class="dropdown-item" href="https://www.funkyhistory.com">History Portraits & Timelines</a>
</li>
<li>
<a class="dropdown-item" href="https://mcgraphics.us/music">Iconic Musicians</a>
</li>
<li>
<a class="dropdown-item" href="https://mcgraphics.us/cool">Fun Illustrations</a>
</li>
<li>
<a class="dropdown-item" href="https://mcgraphics.us/mad">Sample Page</a>
</li>
</ul>