body {
    margin: 0;
    padding: 0;
    background: url('darksm.png') no-repeat center center fixed;
    background-size: contain;
    background-color: #000000;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content {
    text-align: center;
    padding: 100px 20px;
    background-color: rgba(0, 0, 0, 0.6);
    flex: 1;
}

footer {
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
    background-color: rgba(0, 0, 0, 0.8);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .content {
        padding: 60px 15px;
    }

    footer {
        font-size: 0.8em;
        padding: 15px;
    }
}