align coord. grids when canvas size is not 1200x900
align coord. grids when canvas size is not 1200x900

walterbender/turtleblocksjs,tchx84/turtleblocksjs,rodibot/turtleblocksjs,walterbender/turtleblocksjs,rodibot/turtleblocksjs,garyservin/turtleblocksjs,tchx84/turtleblocksjs,rodibot/turtleblocksjs,tradzik/turtleblocksjs,i5o/turtleblocksjs,i5o/turtleblocksjs,hemantkasat/turtleblocksjs,tchx84/turtleblocksjs,garyservin/turtleblocksjs,hemantkasat/turtleblocksjs,tradzik/turtleblocksjs,walterbender/turtleblocksjs,i5o/turtleblocksjs,Daksh/turtleblocksjs,hemantkasat/turtleblocksjs,Daksh/turtleblocksjs,Daksh/turtleblocksjs,tradzik/turtleblocksjs,garyservin/turtleblocksjs