Can't resize board to be larger than 624x624

I loved how chess.com would resize your board to fit your browser window size before this update. I play on a large monitor and it is much easier to see when the board is full screen.

Now, my board is stuck at 624x624. Dragging the 'resize board' icon does not make it any larger than this, and resizing my window does not help. I can resize the board to be smaller, and then back up to 624x624, but no larger. Help!

 Might try clearing your cache and site cookies and try again.

Thanks for the responses. @manekapa, usually the board resizes automatically without zooming. @Martin_Stahl, good suggestion. I went to try it again today, but the board appears to be back to normal! Not sure what has changed, but it appears to be working for now.