#contenedorwhatsapp{
    position: absolute; 	
}

#contenedorwhatsapp .circulo{
    background: #f7a800;
    position: fixed;
    bottom: 40px;
    right: 50px;
    z-index: 100;
    border-radius: 59px;
    height: 60px;
    width: 60px;
    font-size: 29px;
    text-align: center;
    padding: 9px;
    transform: scale(1);
    animation: pulse 2s infinite
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(0,0,0,0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0,0,0,0)
    }
}

@media only screen and (min-width:500px) {
    .contenido{ 
	width: 80%;
    } 
}