#back-to-top {
    background: rgba(193, 60, 178, 0.9); /* Fundo semi-transparente */
    color: white;
    font-size: large;
    font-weight: bolder;
    position: fixed;
    bottom: 5%;
    right: 5%;
    border: 2px solid rgba(193, 60, 178, 0.1); /* Borda contrastante */
    border-radius: 100px;
    padding: 1rem 1.25rem;
    margin-right: 0;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3); /* Sombra mais pronunciada */
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    z-index: 100;
}

#back-to-top:hover {
    background-color: rgba(200, 50, 180, 0.9); 
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.4);
}

#back-to-top a:hover {
    text-decoration: none;
}