The browser fallback

Tell us what’s happening:
Describe your issue in detail here.

  **Your code so far**

:root {
  --red-color: red;
.red-box {
  background: red;  /* this is the browser fallbacks */
  background: var(--red-color);
  height: 200px;
<div class="red-box"></div>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Challenge: Improve Compatibility with Browser Fallbacks

Link to the challenge:

Hi @npcphi44 !
Your code will work and the challenge passes if you remove the comment

comments don’t affect code but they interrupt with FreeCodeCamp challnges.


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