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.
Steve Fan8,218 Points
Just wanna confirm some url, syntax in this course are not usable. They update new directory and syntax.
As mentioned, In case you do not know where to find the material in the videos. USE THEM.
For example: +DO NOT USE THESE: Contextual colors and backgrounds: http://v4-alpha.getbootstrap.com/components/utilities/#contextual-colors-and-backgrounds m-t-3 m-b-3
+TRY THESE: Contextual colors and backgrounds: https://v4-alpha.getbootstrap.com/utilities/colors/ Button examples: http://v4-alpha.getbootstrap.com/components/buttons/#examples Spacing classes: https://v4-alpha.getbootstrap.com/utilities/spacing/ mt-3 mb-3
Hope you do not waste your time like I did. :D