Board graphics glitch

Stones are abnormally small when view this demo board:

Up-to-date Chrome on Windows 7.

They stayed messed up when I refreshed the page, but now they are back to normal after closing the tab and clicking the link again.

Interesting, when I visit the page, I also see this:

and, scolling to the right:

and the rest:

Reload of the page removed every move entry after the circled White “0” :-o

< edit >
Now I understand: It is a Tsumego demo, and @YSR first placed all the B and then all the W stones :blush: and the “real” moves are those in the Variation posted in the chat.
< /edit>