.img-whatsapp {
    position:fixed;
    width:60px;
    height:60px;
    bottom:100px;
    right:40px;
    color:#FFF;
    background: white;
    border-radius:50px;
    text-align:center;
    font-size:20px;
    z-index:100;
}
.whatsapp-icon {
    margin-top: 13px;
}

@media (max-width: 575px) {
    .h-sm-80px {
        height: 80px !important;
      }
    .img-whatsapp {
        position:fixed;
        width:60px;
        height:60px;
        bottom:50px;
        right:20px;
        color:#FFF;
        background: white;
        border-radius:50px;
        text-align:center;
        font-size:20px;
        z-index:100;
    }
}