body{
background-color: #3498DB
}

.btn span.glyphicon {    			
	opacity: 0;				
}
.btn.active span.glyphicon {				
	opacity: 1;				
}

.whatsapp {
  position:fixed;
  width:60px;
  height:60px;
  bottom:40px;
  right:40px;
  background-color:#25d366;
  color:#FFF;
  border-radius:50px;
  text-align:center;
  font-size:30px;
  z-index:100;
}

.whatsapp-icon {
  margin-top:13px;
}