.wajf {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999999;

    display: flex;
    flex-direction: column;
    align-items: end;

    gap: 10px;
}

.wajf:hover::before {
    display: block;
}

.wajf::before {
    content: "¡Chatea con la UOH !";
    color: white;
    background-color: green;
    padding: 5px 10px;
    border-radius: 10px;
    position: relative;
    display: none;
}

/* .wajf a {} */

.wajf a i,
.wajf button i {
    font-size: 4rem;
    width: 4rem;
    height: 4rem;
    text-align: center;
    color: white;
    background-color: green;
    border-radius: 200px;
}

.wajf a i:hover {
    background-color: darkgreen;
}