I can't solve Sass challenge

Tell us what’s happening:

This is the message I get and I don’t know how to fix it

Your code should include the general border-radius rule that uses the $radius parameter.

Your code so far

<style type='text/scss'>

@mixin border-radius($radius){


#awesome {
@include border-radius(15px);
  width: 150px;
  height: 150px;
  background-color: green;


<div id="awesome"></div>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.135 Safari/537.36.

Challenge: Create Reusable CSS with Mixins

Link to the challenge:

You forgot to add border-radius: $radius to your mixin

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