<div class="btn-group btn-group-toggle btn-group-flat"><a class="button btn button-icon bg-primary"target="_blank"href="#">Left</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Middle</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Right</a></div>
<div class="btn-group btn-group-toggle btn-group-edges"><a class="button btn button-icon bg-primary"target="_blank"href="#">Left</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Middle</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Right</a></div>
<div class="btn-group btn-group-toggle"><a class="button btn button-icon bg-primary"target="_blank"href="#">Left</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Middle</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Right</a></div>
<div class="btn-group btn-group-toggle"><a class="button btn button-icon btn-outline-primary"target="_blank"href="#">Left</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Middle</a><a class="button btn button-icon btn-outline-primary"target="_blank"href="#">Right</a></div>
<div class="btn-group btn-group-toggle"><a class="button btn button-icon bg-primary"target="_blank"href="#">Left</a><a class="button btn button-icon btn-outline-primary"target="_blank"href="#">Middle</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Right</a></div>
<div class="btn-group btn-group-toggle"><a class="button btn button-icon btn-outline-primary"target="_blank"href="#">Left</a><a class="button btn button-icon btn-outline-primary"target="_blank"href="#">Middle</a><a class="button btn button-icon btn-outline-primary"target="_blank"href="#">Right</a></div>
<li class="d-flex align-items-center justify-content-center mb-2"><div class="btn-group btn-group-toggle btn-group-edges mr-2 btn-group1"><a class="button btn button-icon bg-primary"target="_blank"href="#">1</a><a class="button btn button-icon bg-primary"target="_blank"href="#">2</a><a class="button btn button-icon bg-primary"target="_blank"href="#">3</a></div><div class="btn-group btn-group-toggle btn-group-edges mr-2 btn-group2"><a class="button btn button-icon bg-primary"target="_blank"href="#">4</a><a class="button btn button-icon bg-primary"target="_blank"href="#">5</a></div><div class="btn-group btn-group-toggle btn-group3"><a class="button btn button-icon bg-primary rounded"target="_blank"href="#">6</a></div></li>
<div class="btn-group btn-group-toggle btn-group-sm btn-group-edges"><a class="button btn button-icon bg-primary"target="_blank"href="#">Left</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Middle</a><a class="button btn button-icon bg-primary"target="_blank"href="#">Right</a></div>