.chamada{
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    width: 70px;
    height: 70px;
    z-index: 9999;
}

.whats-pop-up{
    position: relative;
    width:70px;
    height: 70px;
    background-color: rgb(0, 201, 0);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    z-index: 9999;
}

.whats-pop-up::before, .whats-pop-up::after{
    content: '';
    display: block;
    position: absolute;
    left: -10px;
    right: -10px;
    top: -10px;
    bottom: -10px;
    border-radius: 50%;
    border: 1px solid rgb(0, 201, 0);
    animation: animar 1.5s linear infinite;
    opacity: 0;
    z-index: 9999;
}

.whats-pop-up::after{
    animation-delay: .5s;
}

.whats-pop-up img{
    width: 50%;
    background: transparent;
}

@keyframes animar {
    0%{
        transform: scale(0.5);
        opacity: 0;
    }
    50%{
        opacity: 1;
    }
    100%{
        transform: scale(1.1);
        opacity: 0;
    }
}