:root {
    color-scheme: light dark;
}

body {
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 10px;
    padding-right: 10px;
    font-family: Arial;
    color: light-dark(black, white);
    background-color: light-dark(white, black);
    line-height: 1.25;
}