main {
    flex: 1;
}

body {
    background-color: #f5f5f5;
    color: #333;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

header {
    background-color: #ffffff;
    padding: 10px;
}

a {
    color: #007bff;
}

a:hover {
    text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #121212;
        color: #fff;
    }

    header {
        background-color: #201f1f;
        color: #fff;
    }
}