2.2 Defining Rows and Columns
Once you’ve defined a grid container, you need to define the rows and columns. If you remember the terminology lesson, you’ll recall we talked about “tracks”, right? A track is the space between two adjacent grid lines. So if it’s the space between row line 1 and line 2, then that track is a row. If it’s between column line 1 and column line 2, then it’s a column.
The row and column definition is applied to the grid container—let’s take a look.