The whole site gets shaky when I make a move on the puzzles.
It's a known bug. An overhaul to the entire chessboard interface is on the way, but it'll still be a short while. Sorry for the inconvenience.
I deployed a fix for this bug. Please confirm that it's better now.
yea i noticed it too. its fixed now.
yes i think it is my eye site problem!!
big problem still it is present in my PC
its all right now.
