.float{
	position:fixed;
	width:60px;
	height:60px;
	bottom:40px;
	right:40px;
	background-color:#25d366;
	color:#FFF;
	border-radius:50px;
	text-align:center;
  font-size:30px;
	box-shadow: 2px 2px 3px #999;
  z-index:100;
}
.float:hover {
	text-decoration: none;
	color: #25d366;
  background-color:#fff;
}

.my-float{
	margin-top:16px;
}
.tooltip {
    visibility: hidden;
    width: 120px;
    background-color: black;
    color: #fff;
    text-align: center;
    border-radius: 5px;
    padding: 5px 0;
    position: absolute;
    z-index: 1;
    bottom: 125%; /* Posición del cuadro de diálogo */
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: black transparent transparent transparent;
}

.float:hover .tooltip {
    visibility: visible;
    opacity: 1;
}