body, html {
    background-color: #000000; 
    margin: 5px;
    padding: 0;
    height: 100%;
}

.iframe-container {
    display: flex;
    justify-content: center; /* Centralizando horizontalmente */
    align-items: center; /* Centralizando verticalmente */
    height: 100vh; /* Altura total da viewport para centralizar verticalmente */
}

.custom-iframe {
    border: 0 none;
    width: 100%; /* Ajuste para alinhamento horizontal */
    max-width: 1080px;
    height: 500px;
    border-radius: 8px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.11),
                0 2px 2px rgba(0, 0, 0, 0.11),
                0 4px 4px rgba(0, 0, 0, 0.11),
                0 6px 8px rgba(0, 0, 0, 0.11),
                0 8px 16px rgba(0, 0, 0, 0.11);
}
.back-button {
    position: absolute;
    top: 20px; /* Distância do topo */
    left: 20px; /* Distância da esquerda */
    display: inline-block;
    text-decoration: none;
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.back-button .arrow {
    margin-right: 5px;
}

.back-button:hover {
    background-color: #555;
}