To round off this set of guides to CSS grid layout, we're going to walk through a few different layouts, which demonstrate some of the different techniques you can use when designing with grid layout. We will look at an example using grid-template-areas, a typical 12-column flexible grid system, and also a product listing using auto-placement. As you can see from this set of examples, there is often more than one way to achieve the result you want with grid layout. Choose the method you find most helpful for the problems that you are solving and the designs that you need to implement....not defined any column or row tracks but this layout dictates a...column tracks, as does the nav . In the third row track we have...