.whatsapp-button {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1000;
}
.whatsapp-button a {
    display: block;
    width: 50px;
    height: 50px;
    background-color: var(--cor-roxo-1--);
    border-radius: 30%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}
.whatsapp-button a:hover {
    background-color: var(--cor-roxo-2--);
}
.whatsapp-button img {
    width: 100%;
    height: 100%;
    padding: 0px;
}