Create Reusable CSS with Mixins error

Tell us what’s happening:

Your code so far

<style type='text/sass'>
  @mixin border-stroke($val){
@if $val == light {
border:1px solid black;
@else if $val == medium {
border:3px solid black;
@else if $val == heavy {
border:6px solid black;
@else {
  #awesome {
    width: 150px;
    height: 150px;
    background-color: green;

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

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36.

Link to the challenge:

That would be a solution for the next challenge. The challenge you are working on is about creating a simple mixin for border-radius

Thank you, i had a bit of mixed up