Improve Compatibility with Browser Fallbacks-how do i do it?

i need help plz

  **Your code so far**

:root {
  --red-color: red;
.red-box {

  background: var(--red-color);
  height: 200px;
  background: red;
<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/92.0.4515.131 Safari/537.36

Challenge: Improve Compatibility with Browser Fallbacks

Link to the challenge:

On the empty line inside the .red-box selector just set background to red.

If the browser understands variables it will use the following line to set the color again, otherwise, it will just skip it and use the background color that was set before it.

1 Like

Thanks so much for your answer

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