In brief
grid-auto-rows sizes implicitly created grid rows. In a catalogue, it supplies a rule for rows appearing after those explicitly defined.
Useful to know
grid-auto-rows sizes implicitly created grid rows. In a catalogue, it supplies a rule for rows appearing after those explicitly defined. [1]
Be careful with fixed heights and varying headings or translations. Repeated sizing may look tidy while leaving content outside a card. Check longer items rather than only the first row.
Sources
For further detail and to check the information: