body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    text-align: center;
}

h1 {
    color: #333;
}

p {
    color: #666;
}

.dark-mode {
    background-color: #333;
    color: #fff;
}

.dark-mode h1 {
    color: #fff; /* Adjust text color in dark mode */
}

.dark-mode-toggle {
    margin-top: 20px;
}

/* Responsive Styles */
@media screen and (max-width: 600px) {
    .container {
        margin: 30px;
    }
}