.float{
	position:fixed;
	width:80px;
	height:80px;
	bottom:80px;
	left:30px;
	background-color: #00b5b5;
	color: white;
	border-radius:80px;
	text-align:center;
  font-size:70px;
	box-shadow: 5px 4px 5px #999;
  z-index:70;
  animation: efecto 1.2s infinite;
}
.float:hover {
	text-decoration: none;
	color: rgb(3, 245, 3);
  background-color:#fff;
}

.my-float{
	margin-top:1px;
}

@keyframes efecto{
    0%{
        box-shadow: 0 0 0 0 black;
    }
    100%{
        box-shadow: 0 0 0 25px white;
    }
}