.fab-gestor {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    z-index: 9999;
    box-shadow: 0 12px 28px rgba(0, 0, 0, .2);
    transition: all .2s ease;
}

.fab-gestor i {
    font-size: 20px;
}

.fab-gestor:hover {
    transform: scale(1.05);
}