You can define the gap for the row and column by declaring the following in the .container CSS codeblock:
````css
grid-gap: 'row-gap' 'column-gap';
````
and inserting the desired parameters for 'row-gap' and 'column-gap'.
### Solution
Since the challenge requires you to create a 10px gap between the rows and a 20px gap between the columns, add the following code to the .container CSS codeblock: