Pieces have negative values for "top" property

[BadTrt]

Greetings, thanks for the code !

I have an issue which puzzles :) (pic attached)
This happens when browser loads puzzle for the first time or on ctrl+f5.
On first next browser refresh issue is gone.

[cristianalmonacid]

hola, tengo el mismo problema, necesito ayuda para resolverlo, gracias.

[cristianalmonacid]

Hi, I have the same problem, I need help to solve it, thanks.