.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 95%;
    max-width: 1200px;
    height: 100%;
    max-height: 600px;
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    box-sizing: border-box;
    overflow: auto;
}

.modal-background-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #00000080;
}