html,
body {
    margin: 0;
    width: 100%;
    height: 100%;
}

body {
    font-family: monospace;
    background: #191420;
    color: #c0c0c0;
    overflow: hidden;
}

main {
    display: block;
    position: relative;
    z-index: 1;

    max-width: 600px;
    margin: 15vh auto;
    padding: 20px;

    line-height: 1.5;
}

#world {
    position: fixed;
    left: 50%;
    bottom: 0;

    transform: translateX(-50%);

    margin: 0;
    white-space: pre;

    overflow: hidden;
    pointer-events: none;

    z-index: 0;
}