Fix visuals on more blocks.
Fix visuals on more blocks.

stefan-j/codeworld,google/codeworld,tgdavies/codeworld,three/codeworld,parvmor/codeworld,parvmor/codeworld,three/codeworld,venkat24/codeworld,nomeata/codeworld,parvmor/codeworld,three/codeworld,pranjaltale16/codeworld,nomeata/codeworld,alphalambda/codeworld,pranjaltale16/codeworld,venkat24/codeworld,alphalambda/codeworld,alphalambda/codeworld,venkat24/codeworld,pranjaltale16/codeworld,stefan-j/codeworld,google/codeworld,nomeata/codeworld,google/codeworld,tgdavies/codeworld,tgdavies/codeworld,stefan-j/codeworld