Create Reusable CSS with Mixins4

HTML-CSS
1

Tell us what’s happening:

Passing all green ticks except the first one. What gives?

Your code so far


<style type='text/sass'>
  
  @mixin border-radius ($radius) {
    -webkit-border-radius:$radius;
    -moz-border-radius:$radius;
    -ms-border-radius:$radius;
    border-radius:$radius;
  }
  
  #awesome {
    width: 150px;
    height: 150px;
    background-color: green;
    @include border-radius(15px);
  }
</style>

<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/67.0.3396.99 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/front-end-libraries/sass/create-reusable-css-with-mixins