Artworks used in some pages

Along with our previous upgrade, some interesting artworks were used in maintenance page, 404 page and 500 page of MahShelf. If you are a frequent user, you might have noticed one or two. Today we reveal the whole set to everyone. Enjoy!

Characters used in the above artworks came from Dezignus.com as copyright-free designs. You can get the whole collection of  20 characters here.