HTML/CSS
Cara Membuat Tombol WhatsApp Melayang (Floating)
Tutorial membuat tombol chat WhatsApp yang tetap muncul di pojok layar saat halaman di-scroll menggunakan CSS position fixed.
<a href="https://wa.me/62812345678" style="position:fixed; width:60px; height:60px; bottom:40px; right:40px; background-color:#25d366; color:#FFF; border-radius:50px; text-align:center; font-size:30px; box-shadow: 2px 2px 3px #999; z-index:100;" target="_blank">
<i class="fa fa-whatsapp" style="margin-top:16px;"></i>
</a>