body {
    max-width: 705px;
    margin: 20px auto;
    padding: 0 10px;
    font: 18px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    color:#333;
    text-align: center;
}

h1 {
    line-height:1.2;
    font-weight: normal;
}

span {
    color: hotpink;
    font-weight: bolder;
}

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