#searchResultsModal {
    display: none; /* hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    justify-content: center; /* for flex */
    align-items: center; /* for flex */
    background-color: rgba(0,0,0,0.6); /* semi-transparent background */
    z-index: 1000;
}

#searchResultsModal .modal-content {
    background: #fff;
    padding: 20px;
    max-height: 90%;
    overflow-y: auto;
    border-radius: 8px;
    width: 90%;
    max-width: 800px;
    position: relative;
}

#searchResultsModal .close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}