Firstly this is an amazing tool, thank you so much for making it :)

This is more of a feature request, and I appreciate that using the IE syntax for grid isn't always the best way to go / a viable solution. However, may be nice to have the option to generate the code for this, as sometimes autoprefixer doesn't quite do the job. Maybe this would be off by default and be an option that could be t

We could have a currentHover ref in the same way that we have a currentFocus ref in store.js to track focus of track and line names focus, so we can highlight those tracks in the sidebar, code editor and inline inputs in the GridEditor.

• When hovering in a track size/unit in the sidebar, then highlight that track (and its size) in the GridEditor and in the Code Editor
• When hovering in a

Currently, we don't have any test and I really want to ensure that everything keeps working fine on the future changes and avoid bugs in the application. However, It's a great opportunity to learn and improve the skills to build tests in React.

What are we expecting?

• Choose the best suit test (Jest, chai, whatever you prefer);
• Split the code into smaller parts;
• 100% cov

Have form elements that are :read-only match :disabled styling.