Sorry I dont have the answer, but just wanted to notify that I'm getting the same problem. If you inspect the elements on your chrome browser for whatever reason the css changes from `
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr);
to
grid-template-columns: repeat(auto-fit, minmax(250px, 1 fr);
there's a space between the 1 and fr in 1fr...NO IDEA WHY THIS HAPPENS and it only seems to happen when using the repeat function.