how to add a share button in html

<!-- AddToAny BEGIN -->
<div class="a2a_kit a2a_kit_size_32 a2a_default_style">
<a class="a2a_dd" href="https://www.addtoany.com/share"></a>
<a class="a2a_button_facebook"></a>
<a class="a2a_button_twitter"></a>
<a class="a2a_button_email"></a>
<a class="a2a_button_reddit"></a>
<a class="a2a_button_google_gmail"></a>
</div>
<script async src="https://static.addtoany.com/menu/page.js"></script>
<!-- AddToAny END -->