@font-face {
    font-family: 'Helvetica Now';
    src: url('HelveticaNowVar.woff2') format('woff2');
    font-weight: 50 1000;
    font-stretch: 50 100;
}

#output {
    font-family: 'Helvetica Now', Arial, Helvetica, sans-serif;
    font-weight: 400;
    font-size: 10vmin;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    align-content: center;
    height: 100vh;
    width: 100vw;

    padding: 0;
    margin: 0;

    background: radial-gradient(circle, transparent 50%, black 200%);
}