.spy {
    position: fixed;
    font: bold 16px / 1.2 Arial, sans-serif;
    text-align: center;
    color: #ff0;
    padding: 0 5px;
    bottom: 0;
    right: 0;
    background: #000;
    z-index: 9999;
}
.spy_grn {
    color: #0c0;
}