.back_dialog_div
{
    width:100%;
    height:100%;
    left:0;
    top:0;
    position:absolute;
}
.dialog_main
{
    position:absolute;
    border-collapse:collapse;
    background-color:white;
    -webkit-box-shadow: #666 0px 0px 10px;
    -moz-box-shadow: #666 0px 0px 10px;
    box-shadow: #666 0px 0px 10px;
}
.dialog_wndtitle
{
    color:white;
    font-weight:900;
    background-image:url(../img/backgroundmodel.png);
    margin:0;
    padding-left:10px;
    height:23px;
    background-size:100% 100%;
    background-color:#AAF;
}
.dialog_body
{
    margin:0;
    padding:0;
}
.dialog_toolbar
{
    background-color:ButtonFace;
    margin:0;
    padding:0;
    height:23px;
    border-top:1px inset  #AAB;
}
.show_dialog_autocenter
{
    align-content:flex-start;
    align-items:flex-start;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    flex-wrap:nowrap;
    flex-direction:column;
    border-radius: 3px;
    left: 50%;
    overflow: hidden;
    position: fixed;
    text-align: center;
    top: 50%;
    transform: translate(-50%, -50%);
}