.my-modal {
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.my-modal-content {
    background-color: #fff;
    margin: 15% auto;
    padding: 20px;
    width: 80%;
    max-width: 900px;
    border-radius: 10px;
    overflow: auto;
    text-align: center;
}

.my-modal-title {
    font-weight: bold;
}