FAQ: CSS Grid Essentials - Creating Columns

This community-built FAQ covers the “Creating Columns” exercise from the lesson “CSS Grid Essentials”.

Paths and Courses
This exercise can be found in the following Codecademy content:

Learn CSS

FAQs on the exercise Creating Columns

There are currently no frequently asked questions associated with this exercise – that’s where you come in! You can contribute to this section by offering your own questions, answers, or clarifications on this exercise. Ask or answer a question by clicking reply (reply) below.

If you’ve had an “aha” moment about the concepts, formatting, syntax, or anything else with this exercise, consider sharing those insights! Teaching others and answering their questions is one of the best ways to learn and stay sharp.

Join the Discussion. Help a fellow learner on their journey.

Ask or answer a question about this exercise by clicking reply (reply) below!

Agree with a comment or answer? Like (like) to up-vote the contribution!

Need broader help or resources? Head here.

Looking for motivation to keep learning? Join our wider discussions.

Learn more about how to use this guide.

Found a bug? Report it!

Have a question about your account or billing? Reach out to our customer support team!

None of the above? Find out where to ask other questions here!

why do we use

not other element

There is a mistake in theory, I think you should say 40 percents:

We can also mix and match these two units. In the example below, there are three columns of width 20 pixels, 40 pixels, and 60 pixels:

grid-template-columns: 20px 40% 60px;

It isn’t really a mistake seeing as the grid width is 100px, so 40% is the same as 40px in this case.