.footervoltar {
    position: fixed; /* fixa no rodapé */
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #f0f0f0; /* cor de fundo suave */
    padding: 15px 0;
    text-align: center; /* centraliza o conteúdo */
    box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
    z-index: 1000; /* para ficar acima de outros elementos */
}

.voltar {
    display: inline-block;
    background-color: rgb(59, 59, 59);
    color: #ededed;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bolder;
    padding: 10px 25px;
    border-radius: 7px;
    text-decoration: none;
    border: 2px solid #222;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    transition: 
        background 0.2s,
        color 0.2s,
        box-shadow 0.2s,
        transform 0.15s;
}

.voltar:hover {
    background-color: rgb(77, 77, 77);
    color: white;
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    transform: translateY(-2px) scale(1.04);
    border-color: #000;
    font-style: normal; /* remove itálico no hover */
}