Improve visual gameplay with larger board and gridlines#5

NpFSHjNdg8oZCVOuyJ6XyYxkGX70xFD9 wants to merge 1 commit intoanlbora:mainanlbora/SnakeGame---JavaScript:mainfrom

NpFSHjNdg8oZCVOuyJ6XyYxkGX70xFD9:feature-ui-stylingNpFSHjNdg8oZCVOuyJ6XyYxkGX70xFD9/SnakeGame---JavaScript:feature-ui-stylingCopy head branch name to clipboard