Hello Agustin, here are a couple of thoughts about your work:
- Try to use semantic tags more often instead of plain div's they don't add much to your page.
- Consider using BEM in the future, you can find more info about it here: https://teamtreehouse.com/library/modular-css-with-sass
What do you think was the hardest thing while doing the exercise? If you give a little more context maybe I can give you a better advice :)
Have a good one!