.container-boton {
    background-color: #2e6329;
    border: 1px solid #fff;
    position: fixed;
    z-index: 999;
    border-radius: 50%;
    bottom: 90px;
    right: 15px;
    padding: 10px;
    transition: ease 0.3s;
    animation: efecto 1.2s infinite;
}

.container-boton:hover {
    transform: scale(1.1);
    transition: 0.3s;
}

.boton {
    width: 40px;
    transition: ease 1s;
}

@keyframes efecto {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.85);
    }

    100% {
        box-shadow: 0 0 0 25px rgba(0, 0, 0, 0);
    }
}