Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

CSS Unused CSS Stages CSS Animations Full-Page Animation Project: Part 1

3D Transform Question

According to the Transitions and Transforms Deep Dive, we need to first establish a 3D perspective on a web page using the ‘perspective property’ before we can transform an element in 3D. Why didn’t we first use the perspective property in this lesson before using the rotateZ value in the steam keyframe?

Thanks for your help!