.myDialog3 {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background-color: #fefefe;
    margin: auto;
    border: 1px solid #888;
    height: 200px;
    width: 300px;
    border-radius: 6px;
    box-shadow: 0 10px 20px rgb(0 0 0 / 10%), 0 6px 6px rgb(0 0 0 / 16%);
}