3 ms·

How they did it?

• deleted 17y ago
  [deleted]
  • DrJokepu 17y ago
    If you look at the HTML source you can see that characters are flipped in the HTML as well, so it can't be simply a CSS style.
• DrJokepu 17y ago
  Unicode has upside down versions of most characters, most of them for the phonetic alphabet. A simple algorithm can replace the characters with upside down versions. http://en.wikipedia.org/wiki/Transformation_of_text#Upside-down_text http://en.wikipedia.org/wiki/Transformation_of_text#Upside-d... For a demonstration, see http://www.sevenwires.com/play/UpsideDownLetters.html http://www.sevenwires.com/play/UpsideDownLetters.html