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.


bahman sadeghi
bahman sadeghi
4,810 Points

what is the problem with this code

hi this is the link for challenge,i don`t undrestand what is the problem with my code: http://teamtreehouse.com/library/websites/css-foundations-second-edition/transitions-and-transforms/transitions-webkit-only

.box { border-radius: 15px; background: #4682B4; transition-timing-function:linear;


.box:hover { background: #F08080; border-radius: 50%; -WebKit-transition:border-radious; transition-duration: 2s; transition-delay:1s;

1 Answer

As I understand it, you need to add the transition to the .box class rather than .box:hover. The CSS should look like this:

.box { border-radius: 15px; background: #4682B4; -webkit-transition-property: border-radius; -webkit-transition-duration: 2s; -webkit-transition-delay: 1s; -webkit-transition-timing-function: linear; }

.box:hover { background: #F08080; border-radius: 50%; }

Or alternatively use the short-hand version:

.box { border-radius: 15px; background: #4682B4; -webkit-transition: border-radius 2s linear 1s; }

Hope this helps!