@media (prefers-color-scheme: dark) {
    body {
        color: #ddd;
        background-color: #222;
    }
}

@media (prefers-color-scheme: light) {
    body {
        color: #222;
        background-color: #eee;
    }
}

body {
    margin: 40px auto;
    max-width: 720px;
    font-size: calc(1rem + 0.3vw);
    line-height: 1.28;
    padding: 0 10px;
}

h1, h2, h3, h4, h5, h6 {
    font-size: calc(1rem + 0.4vw);
    line-height: 1.28;
    margin-top: 2rem;
}

.home-link {
    font-size: calc(1rem + 0.6vw);
    text-align: center;
}

.home-link > a {
    text-decoration: none;
}

img {
    max-width: 100%;
}