html,body {
    min-height: 100vh;
    margin:0; padding: 0;
}

html {
    font: 18px serif;
    background: #385180;
}

body {
    max-width: 79ch;
    padding: 0 2ch;
    margin: 0 auto;
    background: #405990;
    color: white;
}

a {
    color: yellow;
}