Xplozion

Update intro-to-css.md

8

A warning would be very helpful as i see people in discord everyday asking doubts about animation exercise. They solve 1to5 exercises and then in flow they start animation even...

Media Queries: A resource suggestion for this lesson

3

### Checks - [x] This is not a duplicate of an existing issue (please have a look through our [open issues list](https://github.com/TheOdinProject/curriculum/issues) to make sure) - [x] I have thoroughly...