.menu.superior .nivel-um>li a strong {
    text-transform: none;
}

.li-whatsapp a {
    position: fixed;
    right: 36px;
    bottom: 300px;
    display: flex
;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 100%;
    background-image: linear-gradient(to right, #209142, #56d263);
    text-decoration: none;
    z-index: 99;
}