How to add a fallback color

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

  **Your code so far**

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

  background: var(--red-color,red);
  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/98.0.4758.82 Safari/537.36

Challenge: Improve Compatibility with Browser Fallbacks

Link to the challenge:

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Hello @candice,

This will not work, because you are mixing two different methods.

This is a css variable: var(--red-color), it is defined here:

:root {
  --red-color: red;

However these variables may not be supported by all the browsers in use. This is why you are asked to give a more general way of defining the background color: so that older browsers also display your site correctly. How to do this is explained in the challenge:

[I]t’s as easy as providing another more widely supported value immediately before your declaration. That way an older browser will have something to fall back on, while a newer browser will just interpret whatever declaration comes later in the cascade.

I hope this helps.

1 Like

Hello Matt,
Thank you for your help. :grinning: