footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    font-size: 10px;
    background-color: #000;
    color: #0f0;
    text-align: center;
    padding: 6px 0;
    border-top: 1px solid #0f0;
    z-index: 1000;
}