<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css">
<a href="https://api.whatsapp.com/send?phone=51955081075&text=Hola%21%20Quisiera%20m%C3%A1s%20informaci%C3%B3n%20sobre%20Varela%202." class="float" target="_blank">
<i class="fa fa-whatsapp my-float"></i>
</a>