The row-gap/grid-row-gap CSS property sets the size of the gap (gutter) between an element's rows in flexible box layout and grid layout.
For compatibility, row-gap or grid-row-gap can be used both.

<length><length> is the width of the gutter separating the rows.
<percentage><percentage> values are relative to the dimension of the element.
| Initial value | 0 |
| Applies to | flex containers, grid containers |
| Inherited | no |
| Animatable | |
| Percentages | refer to vertical dimension of its own content area |
normal is not supported.LCD tables only load in the browser