.btwa{
	position: fixed;
	bottom: 10px;
	right: 5px;
	z-index: 10000;
	width: 200px;
	height: 70px;
	background: url("klik_wa.png");
	background-size: 200px 70px;
}
.btwa:hover{
	width: 205px;
	height: 75px;
	background-size: 205px 75px;
	cursor: pointer;
}