.main-footer {
    text-align: center;
    padding: 15px 0;
    background-color: rgba(244, 244, 244, 0.1); /* 50% transparency */

    color: #000000;
    font-size: 14px;
    border-top: 1px solid #ddd; /* optional: can keep or remove */
    position: fixed; /* stays at bottom of the page */
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 100;
}