:root {
    container-type: inline-size;
    --page-margin: 20px;
    --container-width: 800px;
    --container-intrinsic: max(var(--page-margin), 50cqw - var(--container-width) / 2)
}

body {
    font-family: Georgia, 'Times New Roman', Times, serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    min-height: 100dvh;
    background-color: #f1f1f1;
    color: #202020;
}

.site-header, .site-content {
    margin-inline: var(--container-intrinsic);
}
.site-title {
    margin-block: 0 1rem;
    font-size: 3rem;
}
.site-subtitle {
    background-color: #202020;
    color: #f1f1f1;
    padding: .5rem;
    font-size: 1rem;
}

.site-content {
    font-size: 1rem;
    margin-block: 2ch;
    box-sizing: border-box;
}