.cke_reset_all .cke_dialog_body {
  border-radius: 10px !important;
  background: #fff !important;
}

.cke_reset_all .cke_dialog_title {
  background: #fff !important;
  color: #000 !important;
}

.cke_reset_all .cke_dialog .cke_dialog_close_button {
  background: url('/modules/custom/rub_forms/css/../images/close.png') no-repeat center center !important;
}