Help me out...stucked here

Help me out...stucked here
0

Tell us what’s happening:

Your code so far


<style>
  :root {
  --red-color: red;
}
.red-box {
  background: var(--red-color);
  width: 100px;
  height: 100px;
}
.red-box {
  background: var(--red-color);
  width: 150px;
  height: 200px;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36.

Challenge: Improve Compatibility with Browser Fallbacks

Link to the challenge:

Welcome!

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thank you for the reply. i have got the solution myself. thank you very much for offering a help