 .whats-app {
position: fixed;
width: 60px;
height: 60px;
bottom: 40px;
background-color: #25d366;
color: #FFF;
border-radius: 50px;
text-align: center;
font-size: 30px;
box-shadow: 2px 2px 3px #999;
z-index: 100;
left: 15px;
}

.my-float {
margin-top: 16px;
}