#overlay1 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

#customModal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    display: none;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    min-width: 300px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    text-align: center;
}

    .modal-content button {
        padding: 8px 16px;
        background: #007bff;
        color: white;
        border: none;
        border-radius: 6px;
        cursor: pointer;
    }

        .modal-content button:hover {
            background: #0056b3;
        }