* Translate challenge subtitles and example challenge text to Spanish
* Corrected errors in syntax and punctuation
* Multiple corrections of it/s to its plus other grammar corrections
* Correction and added paragraph to CSS Flex article
* Corrected my own typo
* Corrected capitalization, American spellings and typos
* Add example to concisely return object
This trick to directly and concisely return object might be useful for beginners
* Change function name and logic
Change function name and logic to make sense