html,
body,
dl,
dt,
dd {
    margin: 0; padding: 0;
}

* {
    box-sizing: border-box;
}

body {
    font: normal 16px/25px 'Helvetica Neue', Helvetica, Arial, freesans, sans-serif; background: #F9BF3B;
}

dl {
    width: 300px; background: #fff; padding: 10px; position: fixed; left: 50%; top: 50%; margin-left: -150px; margin-top: -100px; pointer-events: none;

    dt,
    dd {
        font-size: 16px;
    }

    dt {
        float: left; width: 200px; clear: both; font-weight: bold;
    }

    dd {
        margin: 0 0 0 200px;
    }
}

#buffer {
    height: 10000000000000000px;
}