.float{
	position:fixed;
	width:80px;
	height:80px;
	bottom:25px;
	left:40px;
	border-radius:10px;
	text-align:center;
        font-size:30px;
	z-index:100;
}
.float:hover {
	
}

.my-float{
	margin-top:16px;
}