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 CSS Foundations Backgrounds and Borders Border Radius

backgrounds and borders

round each corner of the .rounded div by 30px

<!DOCTYPE html>
    <link rel="stylesheet" type="text/css" href="page.css">
    <link rel="stylesheet" href="style.css">
    <div class="rounded box"></div>
    <div class="oval box"></div>
/* Complete the challenge by writing CSS below */

.rounded {
border-top-left-radius: 30px;
  border-top-left-radius: 30px;
  border-bottom-right-radius: 30px;
  border-bottom-left-radius: 30px;

.oval {


1 Answer

You're repeating your "border-top-left-radius" property twice.