#fab-wpp {
    position: fixed;
    width: 56px;
    right: 2.8rem;
    bottom: 6rem;
    z-index: 9998;
}

#fab-wpp a {
    z-index: 99999;
}

#fab-wpp .fab-action {
    transition: all 225ms ease-in-out;
    position: absolute;
    cursor: pointer;
    bottom: 0;
    display: flex;
    align-items: center;
    width: 56px;
    height: 56px;
    background-color: #5cac39;
    border-radius: 50%;
    text-align: center;
    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);
}

#fab-wpp .fab-action i {
    margin: 0 auto;
    color: #fff;
    font-size: 2rem;
}

#fab-wpp {
    width: 56px;
    height: 56px;
    transition: .3s;
}

#fab-wpp:hover .fab-action {
    background-color: #539b34;
}

#fab-wpp::after,
#fab-wpp::before {
    content: '';
    position: absolute;
    opacity: 0;
    border: 4px solid #5cac39;
    left: -10px;
    top: -10px;
    right: -10px;
    bottom: -10px;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    animation: WaveWhatsApp 1.5s ease infinite;
}

#fab-wpp::after {
    animation-delay: .5s;
}

#fab-wpp:hover::after {
    border: 4px solid #5cac39;
}

#fab-wpp:hover::before {
    border: 4px solid #5cac39;
}

@keyframes WaveWhatsApp {
    0% {
        transform: scale(0.5);
    }
    50% {
        opacity: 0.7;
    }
    100% {
        transform: scale(1.1);
        opacity: 0;
    }
}