.whatsapp-contact {
    width: 60px;
    height: 60px;
    
    /* posicionar por encima de todo */
    z-index: 5;
    
    cursor: pointer;
    text-decoration: none;

    position: fixed;
    right: 15px;
    bottom: 15px;
    background-color: #2546a1;

    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;

    border: 1px #999966 solid;
    border-radius: 50px;
    padding: 10px !important;
}

.whatsapp-contact > i {
    font-size: 40px;
    color: white;
}