.cke_combopanel__styles  .cke_combo_text{
width:150px !important;
}

.cke_combopanel__styles  {
    width:250px !important;
    
}
.cke_panel_listItem h2,
.cke_panel_listItem .h2 {
    font-size: 16px !important;
}
.ui-dialog-titlebar-close:before {
    content: 'X';
    display: inline-block;
    color: #FFF;
    font-weight: bold;
}
.ui-dialog-titlebar.ui-corner-all .ui-dialog-titlebar-close:before,
.ui-dialog-titlebar.ui-corner-all * {
    color: #333 !important;
}