.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

    .whatsapp-float i {
        color: white;
        font-size: 30px;
    }

.tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: #333;
    color: #fff;
    padding: 6px 10px;
    border-radius: 5px;
    display: none;
    white-space: nowrap;
    font-size: 13px;
}

.whatsapp-float:hover .tooltip {
    display: block;
}

.whatsapp-float:hover {
    background: #20ba5a;
    transform: scale(1.1);
    transition: 0.2s;
}