Row height in grid

Is there a way to change height of rows from css?

By default grid works in mode where height of row fixed, you can switch to flexible row height mode by

If you need to have fixed row height, just with another size, you can update it in dhtmlxGrid.css

div.gridbox table.row20px tr  td{

Please beware that in SmartRendering mode few additional steps required to have correct functionality with changed row height