body{
    margin:0;
    overflow:hidden;
    font-family:Arial,sans-serif;
}

#hud{
    position:absolute;
    top:10px;
    left:10px;

    color:white;

    background:rgba(0,0,0,0.6);

    padding:12px;

    border-radius:8px;

    font-size:18px;

    z-index:100;
}