.btwa{
	position: fixed;
	bottom: 10px;
	right: 5px;
	z-index: 10000;
	width: 210px;
	height: 80px;
	background: url("klik_wa.png");
	background-size: 210px 80px;
}
.btwa:hover{
	width: 215px;
	height: 85px;
	background-size: 215px 85px;
	cursor: pointer;
}