Started (but disabled) work on the new theme manager, 1.1.2 is being released with this thing halfway done.
/* CSS file for cell dialog in the table plugin */
.panel_wrapper div.current {
height: 200px;
}
.advfield {
width: 200px;
}
#action {
margin-bottom: 3px;
}
#class {
width: 150px;
}