.modalwindow2 {
    position: fixed!important;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: none;
    flex-flow: column nowrap;
    justify-content: center; 
    align-items: center;
    z-index: 99;
    padding:30px;
    background-color: rgb(255, 255, 255);
}