.dialog, .fixeddialog, .topleftdialog, .topmiddledialog, .boardmiddledialog, .centerdialog, .middledialog, .leftmiddledialog, .bottomrightdialog, .plaindialog {
    display: none;
    position: absolute;
    padding: 4px;
    margin: 4px;
    border: 3px solid black;
    z-index: 2;
    overflow: auto;
    background-color: white;
}

.plaindialog {
    border: 1px solid black;
    padding: unset;
    margin: unset;
}
.dialogbutton {
    margin: 2px;
    font-size: 100%;
    width: 98%;
}