Movement Using CSS Animation

What is your hint or solution suggestion?

Solution:
add the following in @keyframes rainbow

    0%{left: 0px;}

    50%{left: 25px;}

    100%{left: -25px;}

Challenge: Create Movement Using CSS Animation

Link to the challenge:

Hello there.

Thank you, for your contribution. For future contributions, please wrap your solution within :

[details]
```
code goes here...
```
[/details]

Also, provide all of the necessary code to pass the challenge.

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Thank you, for your contribution.

However, seeing as it is not enough code to go off of, and earlier suggestion has been used, and the guide post now has been updated.

We look forward to more contributions from you.