<div id="buttondemo">
<a class="btn" href=" ## " target="_blank">Harga</a></div>
<div id="buttondemo">
<a class="btn" href=" ## ">Lainnya</a>
<a class="btn" href=" ## " target="_blank">Harga</a></div>
<a class="btn" href=" ## " target="_blank">Harga</a></div>
<div id="buttondemo">
<a class="btn" href=" ## ">Lainnya</a>
<a class="btn" href=" ## " target="_blank">Harga</a></div>