Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial


Mani Saini
Mani Saini
3,101 Points


Why teacher added class in the footer to reduce the image size? Why ID was not used in this situation?

this not a big deal u can use id as well as class in your html for designing maybe he want to use same css in other elements thats why he use class...if you link the video may we can gave you the correct reason for this...

1 Answer

Giovanni Martínez Castagnoli
Giovanni Martínez Castagnoli
6,464 Points

Is a matter of choice and remember that ID are always unique so is better reserve them for a more proper use like anchor navigation or JavaScript by the other hand you can share a class with different elements.