.mat-column-alias_in, .mat-column-alias_out, .mat-column-chan_id_in, .mat-column-chan_id_out {
  flex: 1 1 20%;
  white-space: nowrap;
  overflow: hidden;  
  text-overflow: ellipsis;
}

.mat-column-actions {
  min-height: 4.8rem;
}