.facebook{
    background-color: #e5f1e4;
    border: 1px solid #fff;
    position: fixed;
    z-index: 600;
    border-radius: 50%;
    bottom: 60px;
    right: 10px;
    padding: 5px;
    transition: ease 0.2s;
    animation: efecto 1.1s infinite;
}

.facebook:hover{
    transform: scale(1);
    transition: 0.1s;
}

.boton1{
    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);
    }    }